还有一些开关是在松动盖板紧固螺栓后(即失爆后)才断电，这些都是重大隐患。

Some switches would be shut off only when the fastened bolt of the cover released (the flameproof function lost). Those all would be the important dangers.

youdao

还有一些开关是在松动盖板紧固螺栓后(即失爆后)才断电，这些都是重大隐患。

Some switches would be shut off only when the fastened bolt of the cover released (the flameproof function lost). Those all would be the important dangers.

youdao