井下接地保护有何作用?
参考答案:
(1)减少电气设备漏电时设备与大地接触不良产生的电火花能量,预防瓦斯煤尘爆炸。
(2)减少电气设备漏电时人体触电电流,保证人身安全。
Rose said that seldom _____ to Yaxiya Department Store for shopping. [ ]
A. went she
B. does she go
C. she went
D. did she go
对合同事议的处理,一般应以()作为解决的最终方式。
A、和解
B、调解
C、仲裁
D、诉讼