首页/ 题库 / [判断题].井下防爆电气设备的运行、维护和修理,必的答案

.井下防爆电气设备的运行、维护和修理,必须符合防爆性能的技术要求。防爆性能遭受破坏的电气设备,必须立即处理或更换,严禁继续使用

判断题
2021-09-01 23:38
A、正确
B、错误
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正确答案
B

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