A.可能造成爆炸、火灾 B.电击 C.电灼伤 D.妨碍生产
A.0.1% B.0.05% C.0.5% D.1%
A.25 B.30 C.40
A.0.22MΩ B.0.38MΩ C.0.5MΩ D.2MΩ