您要查找的是不是：
- External air duct and exhaust pipe connector. 外置式出入油管连接座。
- The tail exhaust pipe of the motor vehicle emitted poisonous smoke. 机动车的尾部排气管排出有毒的浓烟。
- This is a room with good ventilation. 这是个通风良好的房间。
- The exhaust duct consists of a heat shield and a muffler. 排放管道包括一个加热保护罩和一个消音器。
- Carrying down or away. Used of a duct or vessel. 传送的指通过导管或管道传送下来的或输送的
- Ventilation: Good general or local exhaust ventilation are required for usage. 通风措施:需要使用适当的通风装置。
- ENGINEERING CONTROLS: Use local exhaust ventilation to control dust. 工程控制:使用当地除尘通风设施。
- The exhaust valve on my car have burn out three times. 我车子上的排气阀已烧坏三次。
- When retracted, the doors form part of the outer duct for fan exhaust air. 当收回时，阻流门将作为风扇向外排气的外部管道的一部份。
- Exhaust gas has been incriminated in air pollution in cities. 废气已过视为城市空气污染的原因。
- The exhaust valve on my car has burnt out three times. 我车子上的排气阀已烧坏三次。
- Something has gone wrong with the car's exhaust system. 汽车的排气系统出了故障。
- Effective measures have been taken to prevent exhaust pollution. 业已采取有效措施以防止废气污染。
- A duct often contains cross braces. 管道内往往是有支撑拉条。
- A tube or duct for enclosing electric wires or cable. 线管包裹电线或电缆的管子或沟道
- 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。
- Counter flange with duct of exhaust expansion joint shall be supplied by MHI. 带排汽膨胀节导管的配对法兰由MHI提供。？
- A/C duct and vent duct structure of W/H Deck. 驾驶甲板空调、机械风管结构。
- Maybe you have never heard of duct tape. 也许你还没有听说过管道胶带吧。
