双孔隧道 meaning in English

twin bore tunnel

As the requirements of metro line ' s setting , there is inevitably closed double - tunnel in building metro engineering
在城市地铁工程的修建中，由于地铁线路布设的要求，在喇叭口区间段不可避免的存在着近接双孔隧道的施工问题。
This paper refers the case project of the running tunnel from grand theater to science museum in shenzhen metro , through fem numerical simulation , researches the ground surface settlement and influence on the underground pipeline in soft stratum abundant with water by the technique of horizontal jet grouting
本文以深圳地铁一期工程大剧院科学馆区间中的近接双孔隧道工程为背景，对在富水软弱地层中应用水平旋喷桩工艺进行控制降水施工时对地表沉降及地下管线的影响进行了研究。