英语词汇“pilot tunnel”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	pilot tunnel
释义	pilot tunnel 基本例句导洞 In many projects, like the Simplon, for example, a smallpilot tunnelis 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。
随便看	妇科肿瘤组妇科腹腔妇科软X射线机妇科轻便诊查床妇科骨盆测量法妇竖妇翁妇职妇联妇联会妇联总会妇舒宁妇舒载体栓妇血宁妇解运动妇言妇谒妇道妇道人妇道人家妇道家妇闾妇阴蚀疮的妇随夫唱妇顺