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问题 单项选择题

25～80mm的立铣刀制成（）。

A．7∶24锥柄

B．莫氏锥柄

C．直柄

D．套式结构

答案

参考答案：A

单项选择题

The nurse is assessing a 15-year-old female who is being admitted for treatment of anorexia nervos

a. Which clinical manifestation is the nurse most likely to findA. Tachycardia.B. Warm, flushed extremities.C. Parotid gland tenderness.D. Coarse hair growt
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单项选择题

不是按其出口压力分类的消防泵是（）

A.常压消防泵

B.中压消防泵

C.单级离心消防泵

D.高低压消防泵
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