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【多选题】
起重机械触电事故是指从事起重操作和检修作业的人员，因触电而导致人身伤亡的事故。为防止此类事故，主要应采取的防护措施有( )。
A.
照明使用安全电压
B.
与带电体保持安全距离
C.
保护线可靠连接
D.
电源滑触线断电
E.
加强屏护
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