Natural ventilation is the ventilation of a building with outside air without the use of a fan or other mechanical system.

自然通风是不使用风扇和其他机械系统进行室内外气体交换的通风方式。

youdao

The electric cabinet shall be equipped with fan and ventilation equipments, in addition to well-designed shield for EMI compliance.

电气控制柜要配有排风、散热装置以及具有良好的屏蔽作用防止电磁干。

youdao

The results showed that exhaust fan has the advantages of low consumption of energy and moisture, simple operation and lowering temperature uniform. Ventilation with exhaust fan is fit for cool area.

结果表明，用排气扇通风具有耗电低、降温均匀、水分损耗低和操作简便等优势，适用于冷空气资源充足的地区。

youdao