梯架式电缆桥架
steel cable ladder frames
密度电测深
dense electronic exploration
密封薄片电容器
encapsulated chip capacitor
密封金属化聚苯乙烯电容器
enclosed metalized polystyrene capacitor
密封纸介电容器
encapsulated paper capacitor
密封式电动机
sealed-in motor
hermetic motor
hermetically-sealed motor
canned motor
hermeticmotor
hermiticmotor
hermitic motor