encapsulated electrical apparatus造句

m " electrical apparatus for explosive atmospheres encapsulated electrical apparatus " m
浇封型电气设备
electrical apparatus for explosive atomspheres-encapsulated electrical apparatus " m
爆炸性环境用防爆电器设备浇封型电器设备"m
It's difficult to find encapsulated electrical apparatus in a sentence. 用encapsulated electrical apparatus造句挺难的