词语外控式三极汞气整流管
解释cathetron
cathetron〔名词〕外控式三有汞气整流管详细»
cathetron〔名词〕有外部控制极的三极汞气整流管详细»
cathetron汞气整流器详细»
cathetron〔名词〕外控式三极汞气整流管详细»
cathetron〔名词〕宫颈癌腔内治疗的后装设备详细»
外控式三极汞气整流管kathetron详细»