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竖井挖掘机
meaning in English
shaft jumbo
shaft well digger
shaft-well digger
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
竖井通道
竖井通风机
竖井延深
竖井闸门
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