... shaft winding 竖井提升 shaft worker 井筒掘进工 shaft 炉身 ...
基于72个网页-相关网页
... shaft man 井筒掘进工 shaft miner 井筒掘进工 shaft mouth 竖井口 ...
基于72个网页-相关网页
... 井筒扩建：shaft enlargement 井筒掘进工：shaft man 井筒掘进：shaft tunneling ...
基于64个网页-相关网页
... shaft signals 井筒信号 shaft sinker 井筒掘进工 shaft sinking cycle 凿井工篆环 ...
基于64个网页-相关网页
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