Bored Tunnel VFR 钻掘隧道
twin-bored tunnel 连拱隧道
shallow depth bored tunnel 浅埋暗挖隧道
bored tunnel construction method 隧道凿岩施工法
bored d tunnel 钻挖的隧道
He has 25 years of international experience in tunnel and underground works working on projects in May countries and has been involved in several major bored tunnels projects.
在隧道和地下工程工作方面积累了25年的经验，并在多个国家从事过大型暗挖隧道工程。
A tunnel has been bored under the channel to link England and France.
为连接英国和法国，一条隧道已被开凿。
They bored a tunnel through the mountain.
他们在山里挖了一条隧道。
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