粉尘防爆电气设备的温度组别与气体防爆电气设备的组别划分相同。

Dust explosive electric equipment and air explosive electric equipment temperature classes is the same.

youdao

粉尘防爆电气设备的温度组别与气体防爆电气设备的组别划分相同。

Dust explosive electric equipment and air explosive electric equipment temperature classes is the same.

youdao