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- The positive crankcase ventilation valve and gas caps with air-pollution control valves reduce volatile organic compound loss. 曲柄轴箱通风阀和配有废气帽的空气污染控制阀（使用）减少挥发性有机混合物释放有积极作用。
- PCV VALVE Positive Crankcase Ventilation Valve 曲轴箱强制通风阀
- This is a room with good ventilation. 这是个通风良好的房间。
- Have you turned off the water valve? 你关掉水阀了吗？
- 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 ventilation is poor, the lieutenant admits. 中尉承认，通风设备很糟糕。
- Workers should be allowed full ventilation of all their difficulties. 工人们应被允许公开讨论他们所有的困难。
- The exhaust valve on my car have burn out three times. 我车子上的排气阀已烧坏三次。
- ventilation valve 通风阀
- The exhaust valve on my car has burnt out three times. 我车子上的排气阀已烧坏三次。
- They altered the house to improve its ventilation. 他们把房子改装一下使它更通气。
- Regeneration production of ventilation fan. 换气扇的换代产品。
- Open the window for some ventilation. 打开窗子好通风。
- 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
- Well ventilation, away from corrosive gas. 通风良好，不带有腐蚀性气体。
- There was dead air due to the lack of ventilation. 因为没有通风这里的空气不流通。
- Ride the train to the ventilation shaft. 乘火车到达通风井找到柱状物体。
- Variable air volume(VAV) ventilation systems. 变风量通风空调系统。
