数控机床在机床坐标系对刀,其坐标原点称为机械原点。
参考答案:对
Have you ever had a case ________ somebody accused your reporter ______ getting the wrong end of the stick.
A.where; of
B.that; with
C.as; of
D.which; X
新行业的产生,必将取代并导致原有行业的衰亡,这是行业发展的基本规律和特点。 ( )