... run curve 运转曲线 run derrick 竖井架 run dry 变干 ...
基于32个网页-相关网页
短语
支架竖井
timbered shaft
竖井井架
[矿业]
shaft headgear
竖井凿岩吊架
shaft drilling jumbo
;
shaft sinking jumbo
竖井的顶架
head frame of shaft
竖井凿井井架
drilling tower for shaft
·2,447,543篇论文数据，部分数据来源于NoteExpress