Chi ti\u1ebft v\u1ec1 d\u1ea7u th\u1ee7y l\u1ef1c<\/em><\/figcaption><\/figure>\nD\u1ea7u th\u1ee7y l\u1ef1c, hay c\u00f2n g\u1ecdi l\u00e0 ch\u1ea5t l\u1ecfng th\u1ee7y l\u1ef1c, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb ch\u1ea5t t\u1ed5ng h\u1ee3p ho\u1eb7c kho\u00e1ng ch\u1ea5t t\u1ef1 nhi\u00ean. \u0110\u00e2y l\u00e0 m\u1ed9t lo\u1ea1i ch\u1ea5t l\u1ecfng kh\u00f4ng n\u00e9n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 truy\u1ec1n l\u1ef1c trong m\u00e1y m\u00f3c v\u00e0 thi\u1ebft b\u1ecb th\u1ee7y l\u1ef1c.\u00a0<\/span><\/p>\nNgo\u00e0i vi\u1ec7c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 truy\u1ec1n l\u1ef1c, ch\u1ea5t l\u1ecfng th\u1ee7y l\u1ef1c c\u00f2n c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ch\u1ea5t b\u1ecbt k\u00edn, ch\u1ea5t l\u00e0m m\u00e1t v\u00e0 ch\u1ea5t b\u00f4i tr\u01a1n trong m\u00e1y m\u00f3c v\u00e0 thi\u1ebft b\u1ecb.<\/span><\/p>\n<\/span>II. \u1ee8ng d\u1ee5ng c\u1ee7a d\u1ea7u th\u1ee7y l\u1ef1c m\u00e0 kh\u00f4ng ph\u1ea3i ai c\u0169ng bi\u1ebft<\/b><\/span><\/h2>\nD\u1ea7u th\u1ee7y l\u1ef1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu \u0111\u1ec3 truy\u1ec1n l\u1ef1c trong c\u00e1c h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c. Khi m\u1ed9t l\u1ef1c \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng l\u00ean ch\u1ea5t l\u1ecfng th\u1ee7y l\u1ef1c kh\u00f4ng n\u00e9n, th\u01b0\u1eddng l\u00e0 t\u1eeb m\u1ed9t piston trong m\u1ed9t h\u00ecnh tr\u1ee5, d\u1ea7u s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ea9y qua h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c v\u00e0 t\u1ea1o ra l\u1ef1c tr\u00ean m\u1ed9t ph\u1ea7n kh\u00e1c c\u1ee7a h\u1ec7 th\u1ed1ng.<\/span><\/p>\n