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问题 问答题 简答题

发电机升压时三相电压不平衡是什么原因？

答案

参考答案：

一次回路或PT回路有断路。

选择题

__ __ many Chinese women have received higher education, there are still obstacles that prevent them from enjoying the same opportunities for education and employment as men．          

A．Whether

B．Because

C．When

D．Although
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单项选择题 A1/A2型题

下列血红蛋白（Hb）检测结果符合女性中度贫血的是（）.

A.30g/L

B.50g/L

C.80g/L

D.95g/L

E.105g/L
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