manhole door 中文意思是什麼
manhole door
解釋
人孔門-
Answer : beard general accumulates pink to keep clear of completely about equipment interior, isolate reliably with concerned milling system, if need to enter in - house job, beard general is opened entirely about manhole door, in order to strengthen ventilated
答:須將有關設備內部積粉完全清除,並與有關的制粉系統可靠地隔絕,如需進入內部工作,須將有關人孔門全部打開,以加強通風。
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