【单选题】对于百分表,使用不当的是( )。
B.
测量圆柱形工件时,量杆的轴线应与工件轴线方向一致
【单选题】对于百分表,使用不当的是( )。
B.
测量圆柱形工件时,量杆的轴线应与工件轴线方向一致
【简答题】He hasn’t the funds to carry out his design.
【单选题】He checked carefully to _______ the possible errors in his design.
【简答题】He decided to make further improvements on the computer’s design ________ the light of the requirements of customers. A) on B) for C) in D) with
【简答题】我国著名的粳米的品种有( )、( )、上海白粳米等。