您要查找的是不是：
- All that is required is a valve. 全部所需的就只是一个活门。
- The connecting rod may drive a valve stem directly. 连杆可以直接带动阀门的把柄。
- A lever or pedal controlling such a valve. 节流杠控制这种阀的杠杆或踏板
- A valve detector 真空管检波器
- This product is a valve of autocontrol and protection. 本产品是一种自动控制及起保护作用的阀门。
- Torque is the rotary effort required to operate a valve. 扭矩是操作阀门所需要的旋转作用。
- A valve mechanism in brass instruments for altering the pitch. 活塞阀键一种铜管乐器上调节音量的活塞阀键
- Series B combines a modified A valve with a male luer lock adapter. 系列A有能与无针滑扣式接头柱头适配的母型滑扣式接口.
- A valveless driver suitable for microfluidic system is presented. 介绍了一种适用于微流体系统的无阀+微泵。
- A removable metal plate over a machine part, such as a valve. 阀帽机器某部分上可移动的金属盘，比如阀上的
- A valve immediately shuts off the gas when the lid is closed. 当盖子合上时，立刻会有一个阀门切断煤气。
- A valve stem has broken off and effectively seized up the engine. 阀杆折断了，有效地阻止了发动机的运转。
- The Type A Valve's abrasion resistance is unmatched. 这种夹管阀的抗磨损性能是无可匹敌的。
- The value-opening mechanism includes a valve lifter and a cam on a camshaft. 一套气门开启机构包括一个气门挺杆和一个在凸轮轴上的凸轮。
- The unloader is a valve that directs flow to either the nozzle or to bypass. 减压器是一个将水引流至喷嘴或旁路的阀门。
- There is a vein of melancholy in his character. 他的性格中有少许忧郁的气质。
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
- A bowl of hot chicken soup is good for you. 喝一碗热鸡汤对你有好处。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- To delete a valve from a pipeline, select the valve and press DELETE. 要从管道中删除阀门,请选择阀门,然后按Delete。
