题目内容

下列那些因素会影响零件的表面质量?

A. 进给速度
B. 主轴转速
C. 切削液
D. 加工过程中刀具停顿

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Which of the following statements is the best flashback definition?

A device in which time is moved forward from the present moment.
B. An occurrence that a character thinks about which happened before the present moment in the narrative.
C. A novel with no chronological order.
D. A device that an event or scene taking place after the present time in the narrative is inserted into the chronological structure of the work.

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