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【多选题】
矿业工程中起重与吊装作业的准备工作包括()
A.
起吊前应确认电力、物资供应等保障完善
B.
作业前必须检查作业环境、吊索具、防护用品
C.
吊装施工一般不得在雨雪天、露天或夜间工作
D.
严禁在带电的高压线下作业
E.
严禁在有风条件下作业
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