电动机与低压配电设备裸露部分距离不应小于（）米。A.0.6 B.1 C.1.5_爱下问搜题

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问题单项选择题

电动机与低压配电设备裸露部分距离不应小于（）米。

A.0.6

B.1

C.1.5

答案

参考答案：B

选择题

His family _____ from him for six months until yesterday. [ ]

A. hasn't heard

B. didn't hear

C. hadn't heard

D. heard

单项选择题

螺杆泵不能用出口阀调节流量，否则会造成泵内（）。

A、减压

B、憋压

C、升温

D、流量不稳