Therefore, each piece of explosion-proof products shall mark or explain the explosion-proof type.

因此，每一款防爆产品都应当标注或者说明其防爆的类型。

youdao

Therefore, each piece of explosion-proof products shall mark or explain the explosion-proof type.

因此，每一款防爆产品都应当标注或者说明其防爆的类型。

youdao