pit head [矿业] 井口 ; 矿井口 ; 井口房
PIT-HEAD WINDING GEAR 矿井口卷扬装置
pit-head shed 井口棚
pit head shed 井口棚
pit head detail 矿井口
N the top of a mine shaft and the buildings, hoisting gear, etc, situated around it 矿井口; 矿口建筑
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.
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。
Sergei, who now walks with a cane, says serving in Chechnya was like “sticking my head in a refuse pit”.
谢尔盖如今依靠拐杖走路，他说在车臣做事就像“把脑袋拴在裤腰带上”。
Coolly architectural ... a detail of Hilla Becher's series of Pennsylvania pit head photographs (1974)
冷漠的建筑...希拉·贝歇尔系列摄影局部，宾夕法尼亚矿坑地上部分（1974）
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