{"id":16190,"date":"2026-09-22T00:42:51","date_gmt":"2026-09-22T00:42:51","guid":{"rendered":"https:\/\/www.hndfcrane.com\/?post_type=posts&#038;p=16190"},"modified":"2026-09-22T00:42:57","modified_gmt":"2026-09-22T00:42:57","slug":"overhead-crane-drum-common-structure-types-and-connection-forms","status":"publish","type":"posts","link":"https:\/\/www.hndfcrane.com\/vi\/posts\/overhead-crane-drum-common-structure-types-and-connection-forms\/","title":{"rendered":"Tang tr\u1ed1ng c\u1ea7n c\u1ea9u tr\u00ean cao: C\u00e1c ki\u1ec3u c\u1ea5u tr\u00fac v\u00e0 h\u00ecnh th\u1ee9c k\u1ebft n\u1ed1i ph\u1ed5 bi\u1ebfn"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>M\u1ee5c l\u1ee5c<\/h2><nav><ul><li><a href=\"#overhead-crane-drum-structure-types\">C\u00e1c lo\u1ea1i k\u1ebft c\u1ea5u tang tr\u1ed1ng c\u1ea7n c\u1ea9u tr\u00ean cao<\/a><\/li><li><a href=\"#overhead-crane-drum-and-reducer-connection-forms\">C\u00e1c m\u1eabu k\u1ebft n\u1ed1i tang tr\u1ed1ng v\u00e0 b\u1ed9 gi\u1ea3m t\u1ed1c cho c\u1ea7n c\u1ea9u tr\u00ean cao<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>Tang cu\u1ed1n c\u00e1p c\u1ea9u tr\u00ean cao l\u00e0 b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u01a1 c\u1ea5u n\u00e2ng ho\u1eb7c k\u00e9o \u0111\u1ec3 cu\u1ed1n d\u00e2y c\u00e1p. Ch\u1ee9c n\u0103ng c\u1ee7a n\u00f3 l\u00e0 truy\u1ec1n l\u1ef1c v\u00e0 chuy\u1ec3n \u0111\u1ed5i chuy\u1ec3n \u0111\u1ed9ng quay th\u00e0nh chuy\u1ec3n \u0111\u1ed9ng t\u1ecbnh ti\u1ebfn.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2400\" height=\"1600\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/Drum-3.jpg\" alt=\"C\u00e1i tr\u1ed1ng\" class=\"wp-image-1233\" srcset=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/Drum-3.jpg 2400w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/Drum-3-1536x1024.jpg 1536w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/Drum-3-2048x1365.jpg 2048w\" sizes=\"(max-width: 2400px) 100vw, 2400px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"overhead-crane-drum-structure-types\">C\u00e1c lo\u1ea1i k\u1ebft c\u1ea5u tang tr\u1ed1ng c\u1ea7n c\u1ea9u tr\u00ean cao<\/h2>\n\n\n\n<p>C\u00e1c tang tr\u1ed1ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean c\u1ea7n c\u1ea9u ch\u1ee7 y\u1ebfu c\u00f3 h\u00ecnh tr\u1ee5, v\u1edbi hai \u0111\u1ea7u \u0111\u01b0\u1ee3c \u0111\u1ee1 b\u1eb1ng c\u00e1c t\u1ea5m ch\u1eafn. C\u00f3 m\u1ed9t l\u1ed7 \u1edf gi\u1eefa m\u1ed7i t\u1ea5m ch\u1eafn, v\u1edbi m\u1ed9t tr\u1ee5c \u1edf gi\u1eefa. Tr\u1ee5c c\u00f3 hai lo\u1ea1i: m\u1ed9t lo\u1ea1i l\u00e0 tr\u1ee5c \u0111\u01a1n xuy\u00ean su\u1ed1t (chi\u1ec1u d\u00e0i \u0111\u1ea7y \u0111\u1ee7), v\u00e0 lo\u1ea1i kia l\u00e0 tr\u1ee5c ng\u1eafn.<\/p>\n\n\n\n<p>T\u00f9y thu\u1ed9c v\u00e0o vi\u1ec7c tr\u1ee5c c\u00f3 quay hay kh\u00f4ng, tr\u1ed1ng \u0111\u01b0\u1ee3c chia th\u00e0nh lo\u1ea1i tr\u1ee5c quay v\u00e0 lo\u1ea1i tr\u1ee5c c\u1ed1 \u0111\u1ecbnh.<\/p>\n\n\n\n<p>Theo s\u1ed1 l\u1edbp qu\u1ea5n d\u00e2y c\u00e1p, tang cu\u1ed1n \u0111\u01b0\u1ee3c chia th\u00e0nh lo\u1ea1i qu\u1ea5n m\u1ed9t l\u1edbp v\u00e0 lo\u1ea1i qu\u1ea5n nhi\u1ec1u l\u1edbp. C\u1ea7n c\u1ea9u tr\u00ean cao ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng tang cu\u1ed1n m\u1ed9t l\u1edbp. B\u1ec1 m\u1eb7t tang cu\u1ed1n th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u1eaft r\u00e3nh xo\u1eafn \u1ed1c \u0111\u1ec3 t\u0103ng di\u1ec7n t\u00edch ti\u1ebfp x\u00fac v\u1edbi d\u00e2y c\u00e1p, gi\u1eef cho d\u00e2y c\u00e1p \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp g\u1ecdn g\u00e0ng v\u00e0 ng\u0103n c\u00e1c d\u00e2y c\u00e1p li\u1ec1n k\u1ec1 c\u1ecd x\u00e1t v\u00e0o nhau, t\u1eeb \u0111\u00f3 t\u0103ng tu\u1ed5i th\u1ecd c\u1ee7a d\u00e2y c\u00e1p. C\u00e1c r\u00e3nh tr\u00ean d\u00e2y c\u00e1p \u0111\u01b0\u1ee3c chia th\u00e0nh r\u00e3nh ti\u00eau chu\u1ea9n v\u00e0 r\u00e3nh s\u00e2u. R\u00e3nh ti\u00eau chu\u1ea9n th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, trong khi r\u00e3nh s\u00e2u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf nh\u1eefng n\u01a1i c\u00f3 nguy c\u01a1 d\u00e2y c\u00e1p b\u1ecb tu\u1ed9t ra kh\u1ecfi r\u00e3nh.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2150\" height=\"834\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/overhead-crane-drum-grooves.png\" alt=\"\" class=\"wp-image-16204\" srcset=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/overhead-crane-drum-grooves.png 2150w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/overhead-crane-drum-grooves-1536x596.png 1536w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/overhead-crane-drum-grooves-2048x794.png 2048w\" sizes=\"(max-width: 2150px) 100vw, 2150px\" \/><\/figure>\n\n\n\n<p>Tang cu\u1ed1n nhi\u1ec1u l\u1edbp ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf nh\u1eefng n\u01a1i c\u00f3 chi\u1ec1u cao n\u00e2ng r\u1ea5t l\u1edbn ho\u1eb7c k\u00edch th\u01b0\u1edbc k\u1ebft c\u1ea5u b\u1ecb h\u1ea1n ch\u1ebf, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u1ea7n c\u1ea9u xe t\u1ea3i. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o d\u01b0\u1edbi d\u1ea1ng tang cu\u1ed1n tr\u01a1n kh\u00f4ng c\u00f3 r\u00e3nh xo\u1eafn \u1ed1c, \u0111\u1ec3 d\u00e2y c\u00e1p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed s\u00e1t nhau.<\/p>\n\n\n\n<p>C\u00e1c lo\u1ea1i c\u1ee5m tang tr\u1ed1ng th\u01b0\u1eddng d\u00f9ng bao g\u1ed3m lo\u1ea1i \u0111\u0129a n\u1ed1i b\u00e1nh r\u0103ng v\u00e0 lo\u1ea1i kh\u1edbp n\u1ed1i tang tr\u1ed1ng. Lo\u1ea1i \u0111\u0129a n\u1ed1i b\u00e1nh r\u0103ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh lo\u1ea1i tr\u1ee5c ng\u1eafn v\u00e0 lo\u1ea1i tr\u1ee5c d\u00e0i, trong khi lo\u1ea1i kh\u1edbp n\u1ed1i tang tr\u1ed1ng th\u01b0\u1eddng l\u00e0 lo\u1ea1i tr\u1ee5c ng\u1eafn.<\/p>\n\n\n\n<p>T\u00f9y thu\u1ed9c v\u00e0o c\u00e1c \u0111i\u1ec1u ki\u1ec7n ho\u1eb7c y\u00eau c\u1ea7u kh\u00e1c nhau, ng\u01b0\u1eddi ta s\u1eed d\u1ee5ng tang tr\u1ed1ng \u0111\u00fac ho\u1eb7c tang tr\u1ed1ng b\u1eb1ng th\u00e9p t\u1ea5m. M\u1ed9t k\u1eb9p c\u00e1p \u0111\u1ec3 c\u1ed1 \u0111\u1ecbnh d\u00e2y c\u00e1p \u0111\u01b0\u1ee3c trang b\u1ecb tr\u00ean tang tr\u1ed1ng. Th\u00f4ng th\u01b0\u1eddng, gi\u00e1 \u0111\u1ee1 tang tr\u1ed1ng mang c\u1ea3m bi\u1ebfn c\u1ee7a b\u1ed9 gi\u1edbi h\u1ea1n qu\u00e1 t\u1ea3i, v\u00e0 b\u1ed9 gi\u1edbi h\u1ea1n chi\u1ec1u cao n\u00e2ng \u0111\u01b0\u1ee3c d\u1eabn \u0111\u1ed9ng b\u1edfi tr\u1ee5c \u0111\u1ea7u ra c\u1ee7a tang tr\u1ed1ng.<\/p>\n\n\n\n<p>Khi thi\u1ebft b\u1ecb n\u00e2ng h\u1ea1 \u0111\u1ea1t \u0111\u1ebfn \u0111\u1ed9 cao gi\u1edbi h\u1ea1n \u0111\u00e3 \u0111\u1ecbnh, ph\u1ea3i ch\u1eeba l\u1ea1i m\u1ed9t r\u00e3nh tr\u1ed1ng tr\u00ean d\u00e2y c\u00e1p th\u00e9p tr\u00ean tang cu\u1ed1n; khi thi\u1ebft b\u1ecb n\u00e2ng h\u1ea1 \u0111\u1ea1t \u0111\u1ebfn v\u1ecb tr\u00ed gi\u1edbi h\u1ea1n th\u1ea5p nh\u1ea5t \u0111\u00e3 \u0111\u1ecbnh, ngo\u00e0i c\u00e1c v\u00f2ng qu\u1ea5n \u0111\u1ec3 c\u1ed1 \u0111\u1ecbnh d\u00e2y c\u00e1p th\u00e9p, ph\u1ea3i gi\u1eef l\u1ea1i \u00edt nh\u1ea5t hai v\u00f2ng qu\u1ea5n tr\u00ean tang cu\u1ed1n.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1856\" height=\"1238\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/overhead-crane-drum-and-limit-switches.png\" alt=\"\" class=\"wp-image-16205\" srcset=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/overhead-crane-drum-and-limit-switches.png 1856w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/overhead-crane-drum-and-limit-switches-1536x1025.png 1536w\" sizes=\"(max-width: 1856px) 100vw, 1856px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"overhead-crane-drum-and-reducer-connection-forms\">C\u00e1c m\u1eabu k\u1ebft n\u1ed1i tang tr\u1ed1ng v\u00e0 b\u1ed9 gi\u1ea3m t\u1ed1c cho c\u1ea7n c\u1ea9u tr\u00ean cao<\/h2>\n\n\n\n<p>1. Tang cu\u1ed1n c\u00e1p c\u1ea9u tr\u00ean cao c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi <a href=\"https:\/\/www.hndfcrane.com\/vi\/overhead-crane-reducers\/\">b\u1ed9 gi\u1ea3m t\u1ed1c c\u1ea7n c\u1ea9u tr\u00ean cao<\/a> S\u1eed d\u1ee5ng \u0111\u0129a n\u1ed1i b\u00e1nh r\u0103ng ho\u1eb7c s\u1eed d\u1ee5ng kh\u1edbp n\u1ed1i tang tr\u1ed1ng. Trong H\u00ecnh 2-19, tr\u1ee5c \u0111\u1ea7u ra c\u00f3 kh\u00eda c\u1ee7a b\u1ed9 gi\u1ea3m t\u1ed1c truy\u1ec1n \u0111\u1ed9ng cho tang tr\u1ed1ng th\u00f4ng qua kh\u1edbp n\u1ed1i tang tr\u1ed1ng b\u1ea3n l\u1ec1 h\u00ecnh c\u1ea7u ki\u1ec3u WZL. Trong H\u00ecnh 2-20, tr\u1ee5c \u0111\u1ea7u ra c\u00f3 r\u0103ng c\u1ee7a b\u1ed9 gi\u1ea3m t\u1ed1c truy\u1ec1n \u0111\u1ed9ng cho tang tr\u1ed1ng th\u00f4ng qua \u0111\u0129a n\u1ed1i b\u00e1nh r\u0103ng (v\u00f2ng r\u0103ng trong). Kh\u1edbp n\u1ed1i tang tr\u1ed1ng, ph\u1ea7n \u0111\u0129a n\u1ed1i b\u00e1nh r\u0103ng v\u00e0 c\u00e1c \u1ed5 tr\u1ee5c \u0111\u01b0\u1ee3c b\u00f4i tr\u01a1n b\u1eb1ng m\u1ee1.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2328\" height=\"1056\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Drum-and-reducer-connection-forms.png\" alt=\"\" class=\"wp-image-16206\" srcset=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Drum-and-reducer-connection-forms.png 2328w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Drum-and-reducer-connection-forms-1536x697.png 1536w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Drum-and-reducer-connection-forms-2048x929.png 2048w\" sizes=\"(max-width: 2328px) 100vw, 2328px\" \/><\/figure>\n\n\n\n<p>2. T\u00f9y thu\u1ed9c v\u00e0o tr\u1ee5c \u0111\u1ea7u ra c\u1ee7a b\u1ed9 gi\u1ea3m t\u1ed1c, tang tr\u1ed1ng s\u1ebd s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p k\u1ebft n\u1ed1i t\u01b0\u01a1ng \u1ee9ng. Trong H\u00ecnh 2-21, H\u00ecnh 2-22 v\u00e0 H\u00ecnh 2-23, t\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 gi\u1ea3m t\u1ed1c \u0111\u1ec1u s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p k\u1ebft n\u1ed1i tr\u1ee5c \u0111\u1ea7u ra r\u1ed7ng v\u1edbi ki\u1ec3u l\u1eafp ba \u0111i\u1ec3m. Trong H\u00ecnh 2-24 v\u00e0 H\u00ecnh 2-25, c\u00e1c b\u1ed9 gi\u1ea3m t\u1ed1c s\u1eed d\u1ee5ng tr\u1ee5c \u0111\u1ea7u ra c\u00f3 then ph\u1eb3ng.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2064\" height=\"1080\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/crane-drum-reducer-output-shaft-connections.png\" alt=\"\" class=\"wp-image-16207\" srcset=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/crane-drum-reducer-output-shaft-connections.png 2064w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/crane-drum-reducer-output-shaft-connections-1536x804.png 1536w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/crane-drum-reducer-output-shaft-connections-2048x1072.png 2048w\" sizes=\"(max-width: 2064px) 100vw, 2064px\" \/><\/figure>\n\n\n\n<p>3. Lo\u1ea1i tr\u1ee5c d\u00e0i c\u1ee7a tr\u1ed1ng \u0111\u0129a n\u1ed1i b\u00e1nh r\u0103ng l\u00e0 m\u1ed9t h\u1ec7 truy\u1ec1n \u0111\u1ed9ng k\u00edn v\u1edbi s\u1ef1 b\u1ed1 tr\u00ed c\u00e1c b\u1ed9 ph\u1eadn t\u1ed1t; tr\u1ee5c tr\u1ed1ng kh\u00f4ng ch\u1ecbu m\u00f4-men xo\u1eafn. Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a n\u00f3 l\u00e0 ph\u1ea3i di chuy\u1ec3n tr\u1ed1ng ra ngo\u00e0i theo tr\u1ee5c \u0111\u1ec3 b\u1ea3o tr\u00ec. V\u1eadt li\u1ec7u th\u00e2n tr\u1ed1ng th\u01b0\u1eddng l\u00e0 HT200 ho\u1eb7c Q235-B, Q355-B. Hi\u1ec7n nay HT200 kh\u00f4ng \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch s\u1eed d\u1ee5ng. V\u00ec \u0111\u0129a n\u1ed1i b\u00e1nh r\u0103ng c\u00f3 y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 c\u1ee9ng b\u00e1nh r\u0103ng, n\u00ean \u0111\u1ed9 c\u1ee9ng x\u1eed l\u00fd nhi\u1ec7t b\u1ec1 m\u1eb7t r\u0103ng c\u1ea7n \u0111\u1ea1t HRC 30\u201340, v\u00e0 v\u1eadt li\u1ec7u th\u01b0\u1eddng d\u00f9ng l\u00e0 ZG340-640. Khi s\u1ed1 l\u01b0\u1ee3ng \u00edt, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng th\u00e9p, nh\u01b0ng n\u1ebfu \u0111\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t r\u0103ng kh\u00f4ng \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u, n\u00f3 d\u1ec5 b\u1ecb m\u00e0i m\u00f2n.<\/p>\n\n\n\n<p>4. Lo\u1ea1i \u0111\u0129a truy\u1ec1n \u0111\u1ed9ng b\u00e1nh r\u0103ng s\u1eed d\u1ee5ng tr\u1ee5c ng\u1eafn, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c tr\u1ee5c ng\u1eafn ri\u00eang bi\u1ec7t thay v\u00ec m\u1ed9t tr\u1ee5c tr\u1ed1ng d\u00e0i duy nh\u1ea5t. \u01afu \u0111i\u1ec3m c\u1ee7a n\u00f3 l\u00e0 c\u1ea5u t\u1ea1o \u0111\u01a1n gi\u1ea3n, \u0111i\u1ec1u ch\u1ec9nh v\u00e0 l\u1eafp \u0111\u1eb7t thu\u1eadn ti\u1ec7n. T\u00f9y thu\u1ed9c v\u00e0o t\u00ecnh hu\u1ed1ng, v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 l\u00e0 Q235-B ho\u1eb7c Q355-B.<\/p>\n\n\n\n<p>5. \u0110\u1ed1i v\u1edbi tang cu\u1ed1n v\u00e0 kh\u1edbp n\u1ed1i c\u1ea7n c\u1ea9u tr\u00ean cao, hi\u1ec7n nay c\u00f3 ba lo\u1ea1i kh\u1edbp n\u1ed1i th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng: kh\u1edbp n\u1ed1i tang cu\u1ed1n con l\u0103n h\u00ecnh c\u1ea7u d\u00f2ng WJ, kh\u1edbp n\u1ed1i tang cu\u1ed1n b\u1ea3n l\u1ec1 h\u00ecnh c\u1ea7u ki\u1ec3u WZL v\u00e0 kh\u1edbp n\u1ed1i tang cu\u1ed1n b\u00e1nh r\u0103ng h\u00ecnh v\u00f2m d\u00f2ng DC. T\u00f9y thu\u1ed9c v\u00e0o t\u00ecnh hu\u1ed1ng, v\u1eadt li\u1ec7u th\u00e2n tang cu\u1ed1n c\u00f3 th\u1ec3 l\u00e0 Q235-B ho\u1eb7c Q355-B. Kh\u1edbp n\u1ed1i b\u1ea3n l\u1ec1 h\u00ecnh c\u1ea7u th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u01b0u ti\u00ean s\u1eed d\u1ee5ng.<\/p>","protected":false},"excerpt":{"rendered":"Tang tr\u1ed1ng c\u1ea7n c\u1ea9u tr\u00ean cao l\u00e0 b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u01a1 c\u1ea5u n\u00e2ng ho\u1eb7c k\u00e9o \u0111\u1ec3 cu\u1ed1n d\u00e2y c\u00e1p. Ch\u1ee9c n\u0103ng c\u1ee7a n\u00f3 l\u00e0 truy\u1ec1n l\u1ef1c v\u00e0 chuy\u1ec3n \u0111\u1ed5i chuy\u1ec3n \u0111\u1ed9ng quay th\u00e0nh chuy\u1ec3n \u0111\u1ed9ng t\u1ecbnh ti\u1ebfn. C\u00e1c lo\u1ea1i c\u1ea5u tr\u00fac tang tr\u1ed1ng c\u1ea7n c\u1ea9u tr\u00ean cao: Tang tr\u1ed1ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean c\u1ea7n c\u1ea9u ch\u1ee7 y\u1ebfu c\u00f3 h\u00ecnh tr\u1ee5, v\u1edbi c\u1ea3 hai \u0111\u1ea7u \u0111\u01b0\u1ee3c \u0111\u1ee1 b\u1edfi c\u00e1c t\u1ea5m ch\u1eafn \u0111\u1ea7u. 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