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【判断题】
在板料拉深时,凸模和凹模之间的间隙Z应该略大于板料厚度。A.
正确
B.
错误
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举一反三
【单选题】“ T o impose legal measures and moral criticism on domestic violence” is no more instructive than “ domestic violence ” . _______
A.
True
B.
False
【简答题】温室气体的排放加速了对臭氧层的破坏。
【简答题】电容和电感为什么能起滤波作用?它们在滤波电路中应如何与R L 连接?
【单选题】The Wars of the Roses were a series of dynastic wars for ().
A.
the throne of England
B.
red roses
C.
white roses
D.
pink roses
【简答题】试述开关电容滤波电路的原理和特点。
【单选题】Which of the following legal theories may be used in Japan to impose product liability on a manufacturer of a defective product?
A.
Breach of contract.
B.
Negligence.
C.
Strict liability.
D.
All of the above.
E.
Both a. and b. above.