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当前学科：电力安全工作规程变电部分
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在经继电保护出口的发电机组热工保护、水车保护及其相关回路上工作，可以不停用（）的或不需做安全措施的，办理第二种工作票。
A . 一次设备；
B . 低压设备；
C . 高压设备；
D . 远动设备
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