【单选题】The police let him go, because they didnt find him guilty ______ the murder. [1999]
【单选题】在企业资质方面规定,企业要最低雇佣( )名合格员工,才准予开业。
【简答题】三相异步电动机的调速方法有调压调速、变极调速、________ 调速。
【单选题】The police let him off. They him.
【判断题】三相异步电动机的调速方法有: 1、变频调速、变极调速、变转差率调速,变压调速。( )
【单选题】三相异步电动机的调速方法有变极调速、变转差率调速和变( )调速。
【单选题】在企业资质方面规定,企业要最低雇佣( )名合格员工,才准予开业。
【单选题】在企业资质方面规定,企业要最低雇佣()名合格员工,才准予开业。
【单选题】The police let him go, because they didn't find him guilty ______ the murder.