抽风机是外置式电机，铝合金风叶，防爆，安全。

The exhaust fan has external motor and aluminum alloy blades, is explosion resistant and safe.

youdao

抽风机是外置式电机，铝合金风叶，防爆，安全。

The exhaust fan has external motor and aluminum alloy blades, is explosion resistant and safe.

youdao