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- hydraulic vacuum brake 流力真空联合制动器
- Vacuum brake hoses for automobiles 真空制动软管
- The vacuum braking equipment is applied on the BR Bangladesh Railway container flat car. 为孟加拉国制造的BR集装箱平车采用的是真空制动装置。
- Specification for railway vacuum brake cylinders, rolling ring type 铁路用滚圈式真空制动气缸规范
- Test Methods for Rubber Hose for Automotive Air and Vacuum Brake System 汽车空气制动和真空制动用橡胶软管的试验方法
- Model PST 25 hydraulic disc brake. PST25型液控盘式刹车设计
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
- The building is made of hydraulic cement. 大楼是用水硬水泥建造的。
- The hydraulic lift is over there. 液压升降机在那儿。
- combined compressed-air and vacuums brake 空气-真空两用制动机
- His wife's death left him a vacuum in his life. 他妻子的去世使他的生活变得空虚。
- combined compressed-air and vacuum brakes 空气-真空两用制动机
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活变得空虚。
- Some people are living in a vacuum. 有些人过着与世隔绝的生活。
- A vacuum cleaner is a handy household tool. 吸尘器是一种使用方便的家庭用具。
- People came in flocks to see the new hydraulic power station beside the dam. 人们成群结队地来参观水坝旁边新建的水电站。
- The shop repairs vacuum cleaners. 这家店修理吸尘器。
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- The drillers check hydraulic brake block often every tour. 司钻每班检查水刹车。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号