题目内容
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[单选题]
In cylindrical grinding, the（)is held between centers during the grinding operation
A.workpiece
B.cutter
C.abrasive wheel
D.wroktable
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.workpiece
B.cutter
C.abrasive wheel
D.wroktable
如果结果不匹配，请 联系老师 获取答案
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段落翻译： Before you make up your mind about which way to go, take a hard, honest look at your motivation for starting a company. Too many people are looking to get rich, escape the corporate grind, and work shorter hours with more free time. None of those reasons is likely to lead to success. If you are focused on solving a customer problem or need, believe you can do what you do better than anyone else, dying to work long hours, wear many hates, and juggle endless responsibilities, then you have the right startup mindset. You also need certain personality traits. One of them is a willingness to work very hard all by yourself, at least for the first year or so (and possibly longer).
