<\/span><\/h3>\nVi\u1ec7c b\u00f4i tr\u01a1n l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 kh\u00f4ng th\u1ec3 thi\u1ebfu trong vi\u1ec7c duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0 c\u1ee7a c\u00e1c lo\u1ea1i m\u00e1y m\u00f3c v\u00e0 thi\u1ebft b\u1ecb. Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a vi\u1ec7c b\u00f4i tr\u01a1n l\u00e0 l\u00e0m cho c\u00e1c b\u1ed9 ph\u1eadn trong \u0111\u1ed9ng c\u01a1 di chuy\u1ec3n m\u1ed9t c\u00e1ch m\u1ec1m m\u1ea1i v\u00e0 nh\u1eb9 nh\u00e0ng. Trong m\u1ed9t \u0111\u1ed9ng c\u01a1, c\u00f3 r\u1ea5t nhi\u1ec1u chi ti\u1ebft kim lo\u1ea1i nh\u01b0 piston, tr\u1ee5c cam, van n\u1ea1p… v\u00e0 khi m\u00e1y ho\u1ea1t \u0111\u1ed9ng, s\u1ef1 ti\u1ebfp x\u00fac gi\u1eefa ch\u00fang t\u1ea1o ra l\u1ef1c ma s\u00e1t, d\u1eabn \u0111\u1ebfn hao m\u00f2n.<\/span><\/p>\nTuy nhi\u00ean, khi h\u1ec7 th\u1ed1ng b\u01a1m d\u1ea7u nh\u1edbt \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t, d\u1ea7u \u0111\u01b0\u1ee3c phun v\u00e0o c\u00e1c v\u1ecb tr\u00ed chi ti\u1ebft b\u00ean trong \u0111\u1ed9ng c\u01a1. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t l\u1edbp b\u00f4i tr\u01a1n b\u1ea3o v\u1ec7 tr\u00ean c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac, gi\u1ea3m ma s\u00e1t v\u00e0 t\u0103ng hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ed9ng c\u01a1. Ngo\u00e0i ra, l\u1edbp b\u00f4i tr\u01a1n n\u00e0y c\u0169ng gi\u00fap gi\u1ea3m ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn, ng\u0103n ch\u1eb7n s\u1ef1 hao m\u00f2n v\u00e0 t\u0103ng tu\u1ed5i th\u1ecd cho \u0111\u1ed9ng c\u01a1. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 b\u1ea3o v\u1ec7 m\u00e1y m\u00f3c m\u00e0 c\u00f2n c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a ch\u00fang.<\/span><\/p>\n