foreshaft是什么意思,foreshaft的中文翻译,foreshaft的用法例句-行业英语-优校网

网络释义

1)foreshaft,井颈2)outset,井颈3)shaft collar construction,井颈施工4)wells neck Xiaochu,井颈削除5)drop-down of mine-shaft neck,井颈下沉6)shaft collar section,井颈段7)collar cave,井颈塌落8)collar excavation,井颈开凿9)manhole shaft,沙井颈

用法例句

Application of single arm prop in shaft collar construction;

单臂支杆在立井井颈施工中的应用

Simple analysis of the drop-down of mine-shaft neck and its rectification;

浅析竖井施工中井颈下沉及矫正

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foreshaft是什么意思

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