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精种发育迟滞

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Please () us your lowest price for 500 men’ s bicycles.

A. quote
B. offer
C. make
D. enquire

做疲劳强度实验时,试样承受的载荷为()

A. 冲击载荷
B. 交变载荷
C. 静载荷
D. 拉伸载荷

Korea’s ambitious plans include a wholesale revamping of the country’s basic industries. ()

A. reconstructing
B. retracting
C. releasing
D. reverting

质量手册

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