1、

A fresh air ventilator which can be used to improve the quality of in-room air is introduced, including the kinds, principle, performance, market analysis and so on.

介绍了用于改善室内空气品质的新型换气装置-新风换气机的种类、原理、性能、市场分析等。

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2、

eg. He stuffed the ventilator shafts up to stop the smoke from entering his room.

(1)堵塞,堵住他堵住了通风管道,用以防止烟气进入他的房间。(2)欺骗,哄骗?

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3、

The room installed with stoves should have powerful ventilator.

安装灶具的房间必须安装强力换气扇.

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4、

He stuffed the ventilator shafts up to stop the smoke from entering his room.

他堵住了通风管道,用以防止烟气进入他的房间.

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5、

The room has too few windows. A ventilator must be installed.

这间屋子的窗户太少,必须得安个换气扇.

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6、

Operation test of emergency switching-off device for oil pump and ventilator ( bilge pump ) in engine room.

机舱风、油 ( 舱底泵 ) 应急切断装置操作试验.

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7、

Operation test of emergency switching-off device for oil pump and ventilator ( bilge pump) in engine room.

机舱风、油(舱底泵)应急切断装置操作试验。

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