网络释义专业释义
duplicate pilot tunnel 平行二线隧道导坑
raise pilot tunnel 反井导硐
pilot tunnel floor 导坑底板
heading pilot tunnel 隧道导坑
chamber pilot tunnel 硐室导巷
双语例句权威例句
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In many projects, like the Simplon, for example, a small pilot tunnel is driven before the full diameter of the tunnel is excavated.
在许多隧道工程中，经如辛普龙大隧道，都要在隧道全面开挖前打一个导洞。
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The paper mainly describes the method of piling in pilot tunnel used in construction of the principal part of Dongdan Subway Station in Beijing.
主要介绍北京地铁东单车站采用洞桩支承法进行车站主体工程施工的方法。
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