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- Design on Air Door and Silencer in Forced Ventilation in Colleries. 煤矿压入式通风系统中风门和消声装置设计
- This is a room with good ventilation. 这是个通风良好的房间。
- ventilation silencer 通风消声器
- Right as a trivet now,I've replaced your silencer. 现在呱呱叫啦，我已经把你的消音器换了。
- The ventilation is poor, the lieutenant admits. 中尉承认，通风设备很糟糕。
- You can buy a silencer for a handgun. 你可以给你的手枪带上消音器!
- Measuring method for exhaust silencer of marine di. 船用柴油机排气消声器测量方法。
- 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。
- A silencer quietens the noise of the engine. 消声器把发动机的噪音消弭了。
- Ohh! New MP5 . Would you like silencer for that? 哦，mp5的新型号，你想要一个消声器吗？
- A gun with a silencer fires once. 一只无声手枪正瞄准了他。
- They altered the house to improve its ventilation. 他们把房子改装一下使它更通气。
- It can be reduced sharply by pipe blowing silencer. 吹管噪声严重污染环境,使用吹管消声器能解决这一问题。
- 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。
- 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。
- Necessary lighting and ventilation to be furnished. 应提供必需的照明和通风。
