单项选择题

当被加工表面的旋转轴线与基准面平行,外形复杂的工件可安装在花盘上加工。( )

A.对
B.错
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单项选择题
Which of the following are the 5 steps of writing a summary in correct order? A、Read thoroughly, note down the primary, make a writing plan, write a draft, proofread and polish. B、Make a writing plan, read thoroughly, note down the primary, write a draft, proofread and polish. C、Note down the primary, make a writing plan, read thoroughly, write a draft, proofread and polish. D、Make a writing plan, note down the primary, read thoroughly, write a draft, proofread and polish.
不定项选择
不确定关系来自于实验误差,是由于理论不完善或仪器精度不够引起的。
A.正确
B.错误
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