commutation system
短語詞組
- commutation repeal system 減刑撤銷制度
- mechanical commutation computing system 機(jī)械計(jì)算機(jī)
- mechanical commutation drive system 機(jī)械敺動系統(tǒng)
- mechanical commutation conveying system 機(jī)械運(yùn)輸系統(tǒng)
- Power supply commutation system 供電整流系統(tǒng) 返回 commutation system