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问题
单项选择题
工艺基准可进一步分解为四个基准,下面哪个基准不属于这四个基准()
A、工序基准
B、装配基准
C、测量基准
D、设计基准
答案
参考答案:
D
问答题 简答题
什么叫定时限过电流保护?什么叫反时限过电流保护?
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选择题
Parents should be aware that communication between parents and their children is important, _____ their
heavy work loads.
[ ]
A. but for
B. besides
C. because of
D. despite
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