为防止在发电机的转子上产生高的静电电压，应在汽侧轴上装置接地电刷，一般可经过100～300Ω的电阻接地。
参考答案：对
— What's the relationship between Eric and me?
— ______ Do you understand?
— I think I understand. [ ]
A. They are twins.
B. You are cousins.
C. Is he your brother?
D. It's Tom Wilson.
出现了硫化氢的泄漏或溢出撤离时，若发现有人倒地或出现意外时，首先应（），再行施救或等待专业人员的救护。
A、立即施救
B、在保证自己能安全逃离情况下再行施救
C、不施救
D、不报告
