Large-section, middle-section tunnel kiln, which one is your selection?

大断面、中断面，你选哪一种?。

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The paper introduced the blasting parameters and construction technology for small section tunnel in crumbly strata.

介绍了破碎岩层中小断面坑道的爆破参数和施工技术。

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To study seismic dynamic response of gas pipeline small cross-section tunnel has important value of engineering application.

研究输气管道小断面隧道的地震动力响应有着重要的工程应用价值。

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The research was carried out by archaeologists Jim Leary and David Field, who dug a cross-section tunnel into the monument in 2007.

BBC: Prehistoric Silbury Hill 'was built in layers'

Patrick Morris, of the Friends of Cromford Canal, said only a small section of the tunnel was accessible.

BBC: Butterley tunnel gets Scheduled Ancient Monument status

During the week-long exhibition at the Scottish Parliament to celebrate the Scottish contribution to the creation and operation of the Large Hadron Collider visitors are able to walk through a full-size replica of a section of the LHC tunnel.

BBC: Scotland