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进人竖井
meaning in Chinese
access shaft
access well
Related Words
隧道竖井
竖井盖
竖井井筒
上行竖井
补给竖井
竖井抓岩机
电缆竖井
挖竖井
圆竖井
勘探竖井
进人门
进人气闸
进人同步
进刃
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