Taking the cross cave propping in Hanguguan Tunnel of passengers special line on Zhengxi railway, this paper introduces a new construction technique of propping - vertical propping method.
文章以郑西铁路客运专线函谷关隧道横洞挑顶为例，介绍了一种新型挑顶施工工艺——垂直挑顶法。
A special railway line will be built for the Olympic Games.
为了奥运会，人们将修筑一条铁路专线。
Passenger transport special line are being built on a large scale, in order to easy the contradiction of rapidly increasing transportation demand and seriously shortage of railway transport capacity.
为缓解快速增长的运输需求与铁路运能严重不足的矛盾，我国正大规模建设客运专线。
The assembled and tested missile was transported to the launching site by railway line using a special transport-installation unit propelled by a diesel locomotive.
完成总装和测试后的导弹被由内燃机车驱动的运输安装机械经铁轨运至发射工位。
In this paper, special railway line for the power plant project in the early stage, choose the best options to ensure that coal power plants with a reasonable private line.
本文主要针对电厂铁路专用线在前期立项阶段，选择最优方案，确保电厂具有合理的运煤专用线。
In this paper, special railway line for the power plant project in the early stage, choose the best options to ensure that coal power plants with a reasonable private line.
本文主要针对电厂铁路专用线在前期立项阶段，选择最优方案，确保电厂具有合理的运煤专用线。
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