对刀元件用于确定()之间所应具有的相互位置。
A.机床与夹具;
B.夹具与工件;
C.夹具与刀具;
D.机床与工件
参考答案:D
I'm living in the apartment nearby. Come and see me whenever________.[ ]
A. it is convenient to you
B. you are convenient
C. you have convenience
D. there is convenience
SCU位于()
A、机身右侧机翼前方
B、机身右侧机翼后方
C、后设备舱