explosion-proof electric machine [电] 防爆电机 ; 防爆型电机

water proof electric machine 防水式电机

lamina explosion-proof electric machine 窄隙防爆式电机

EXPLOSION - PROOF ELECTRIC MACHINE 防爆电机 ; 日出版

gas proof electric machine 气密型电机

Atomic Radiation-proof Electric Machine [电] 耐原子能辐射电机

chemical corrosion-proof electric machine [电] 化学防腐蚀电机

weather-proof type electric machine 气候防护式电机