They are ventilating the SAP of a coal mine.

他们正在使煤矿坑道通风。

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The greenhouses come equipped with a ventilating system and aluminium screen door.

那些温室送来时配有通风系统和铝制纱门。

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Electric fan, Powerful fan, Ventilating fan, etc. are our main products.

电风扇，强力风扇，换气扇等，是我们主要的产品。

youdao

Electric fan, Powerful fan, Ventilating fan, etc. are our main products.

电风扇，强力风扇，换气扇等，是我们主要的产品。

youdao