英德
有道
百度
谷歌
图片
维基
百科
矿井口
shaft head
- 她来自矿区：或者不如说来自矿井口上一个酒馆。
Out of a mine: or rather out of the saloon at the head of the pit. - 截至星期六中午，水位已上升到距矿井口约20米处。
As of noon on Saturday, the water had risen to within 20 meters of the mine opening. - 本文总结了作者根据河南省平顶山矿务局八矿井口实际情况所设计的一套井口设施联动闭锁系统。
The paper summarises the operational performance of the interlock System in pit-head equipment at No. 8 shaft of Ping-Ding-Shan Mine Bureau, Henan Province.
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