例句 |
A system of valves limits accidental releases of the substance.一套阀门系统阻止该物质的意外泄漏。The valves of the heart allow the blood to pass in one direction only.心脏的瓣膜使血液只能朝一个方向流动。The valves in the heart control how quickly the blood is pumped around the body.心脏瓣膜控制着血液输送到身体各处的速度。The flow of water is controlled by a series of valves.水流是由一连串的阀门控制的。The plumber will fit some new safety valves.水暖工将安装几个新的安全阀。The valves are located just forward of the fuel tanks.阀门位于油箱的正前方。The operation of the valves needs improving.阀的工作情况需要改进。 |