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English Translations » 【公用配套及基建圈】 » 【Utilities — Mechanical & Electrical Edition】20181114

【Utilities — Mechanical & Electrical Edition】20181114

2018-11-14View Original

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The approval certificate for explosion-proof electrical equipment to be used down in the mine is issued by the team leader. () Answer: Incorrect
Reply #22018-11-14
The approval certificate for explosion-proof electrical equipment to be used down in the mine is issued by the team leader. (X)

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Translated at 2026-07-23 11:30:29

Original: https://bbs.hcbbs.com/thread-2143927-1-1.html

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