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【单选题】
夹紧力的方向应尽量垂直于主要定位基准面,同时应尽量与( )的方向一致。A.
退刀
B.
振动
C.
换刀
D.
切削
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Capacity allocation decisions have a significant impact on supply chain performance because
A.
capacity decisions tend to be permanent.
B.
capacity decisions tend to be changed frequently.
C.
capacity decisions do not tend to stay in place for several years.
D.
capacity decisions tend to stay in place for several years.
E.
none of the above