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【简答题】
材料的冲压性能好,就是说其便于冲压加工,一次冲压工序的 和 大,生产率高,容易得到高质量的冲压件,模具寿命长等。
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【简答题】电路的三种工作状态是通路、 、 。
【简答题】电路的三种工作状态是通路、 、短路。
【简答题】阅读理解。 John liked chocolate (巧克力) very much., but his mother never gave him any, because they were bad for his teeth, he thought. John had a very nice grandfather. The old man loves his grandson very m...
【简答题】电路的三种工作状态是通路、开路 、
【单选题】Suppose P(AB) = 0, it is conclused that ( ).
A.
A is disjoin from B
B.
A and B are independent
C.
P(A) = 0 or P(B) = 0
D.
P(A - B) = P(A)
【简答题】6. John gave his
wife a bouquet of beautiful red roses. A. Correct B. Incorrect
【简答题】电路的三种工作状态是通路、 、 。
【单选题】When John was a student, his father gave him a monthly______ towards his expenses.
A.
allowance
B.
salary
C.
wage
D.
money
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