A full face rock tunnel boring machine was highly sensitive to geologic situation.

全断面岩石掘进机施工对地质地层状况非常敏感。

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Mountain tunnel construction with high water pressure will apply the tunnel boring machine method (TBM) more and more.

长大深埋高水压山岭隧道的施工将越来越多地采用隧道掘进机法。

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The cutterhead and rock mass characteristics affect the excavation efficiency of full face rock tunnel boring machine (TBM) strongly.

全断面岩石掘进机(TBM)的破岩效率主要受刀盘设计和岩体特征的影响。

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Imagine the embarrassment for Wirth and Herrenknecht, two German companies that had supplied Ghorb and one of its subsidiaries with the tunnel boring machinery necessary to construct the facility.

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These workers carry out specialised tasks on our tunnel-boring operation and travel around the world as employees of the Italian company that is doing the work.

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In spite of round-the-clock work, progress on boring a huge tunnel into the earth was not up to mark.

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