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