您要查找的是不是：
- Have you turned off the water valve? 你关掉水阀了吗？
- packless valve 非密封阀
- We need an eye bolt to fit this valve. 我们需要一个有眼螺栓来固定这个阀门。
- He soon detected the faulty valve. 他很快查到了出毛病的阀门。
- The pump sucks air out (of the vessel) through this valve. 这台泵通过这个阀门把(容器中的)空气抽出。
- The exhaust valve on my car have burn out three times. 我车子上的排气阀已烧坏三次。
- The exhaust valve on my car has burnt out three times. 我车子上的排气阀已烧坏三次。
- Composed of a single valve or piece. Used of a shell. 单瓣的由单个瓣膜或部分组成的。用于壳
- This valve regulates the flow of water. 这个阀门控制着水的流量.
- Only valves such as packless diaphragm or bellows type should be used. 只能使用无衬垫膈膜阀或波纹管阀。
- A small valve or faucet used to drain or reduce pressure, as from a boiler. 泄气阀，小龙头用来排空或降低压力的一种小阀门或小龙头，如锅炉上的
- Replace the cylinder outlet seal and valve cap. 替换钢瓶排气口密封和阀门帽。
- The valve chamber cover is missing. 阀室盖不见了。
- Replace module and reassemble valve. 更换模块并重新组装阀门。
- Weights are for the PVC spigot valve style. 适用于PVC插口类型阀门的重量。
- The valve will open and close at regular intervals. 阀门将按一定的时间间隔开闭。
- You put air into a bicycle tyre through the valve. 你通过汽嘴把空气打入自行车轮胎。
- The safety valve of his anger opened. 他控制怒火的安全阀打开了。
- The vacuum valve opens to admit air. 真空阀开启以补充空气。
- All that is required is a valve. 全部所需的就只是一个活门。
