A massive rock fall trapped the men as they operated a tunnelling machine.
這些工人在操作隧道挖掘機時被大量的落石困住了。
柯林斯例句
The workers were tunnelling through solid rock.
工人們正在堅石中挖掘一條通道.
辭典例句
The prisoners had escaped by tunnelling.
犯人挖地道逃跑了.
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There are mainly two kinds of roadheader: Tunnelling Boom Machine ( TBM ) and partial - size tunneling machine.
掘進機按照對于巷道斷面的作用方式可劃分為兩種: 全斷面 掘進 機和部分 斷面 掘進機.
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This article presents VPN and its main implementing technology, that is the Tunnelling Technology.
本文闡述了VPN及其實現的主要技術――隧道.
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Grave protrusion coal seam tunnelling hydraulic cutting protrusion - dispelling measures is a new technology in the world.
嚴重突出煤層掘進水力掏槽防突措施在國際上是一種防突新技術.
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Up till about 1960 the only alternative was bridging over or tunnelling under the waterway.
直到1960年左右所能選擇的方案只是水上架橋法或水下開鑿隧道法.
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