English translation for "air adit"

通风平峒
通风平硐

Related Translations:

adit:  n.1.入口。2.【矿物】横坑，平峒。

connecting adit:  联络坑道

hanging adit:  上盘平硐

approach adit:  施工隧洞

intake adit:  供风通道,供风口

auxiliary adit:  辅助平峒

exploratory adit:  勘探平洞

exploration adit:  堪探平洞勘探平硐

level adit:  水平坑道

main adit:  纸硐

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