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装置内作业必须有（専門監護人）监护人员不得离开。 答 yal：（専門監護人）
装置内作业必须有（専門監護人）専門監護人不得离开。
装置内安全作业证（制約空間作业证）
答 yal：専門監護人。 装置内作业必须有専門監護人，専門監護人不得离开。
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