l line meaning in Chinese

线路

To take an actual example , the triple pipe method has been adopted to consolidate the surrounding soil by rotary shot grouting pile and swaying shot diaphragm wall in the construction of vertical shaft and access drift of running tunnel from martyr ' s park to dong shan kou station in no . l line of guangzhou metro . it turns out that this method has met the double effect of both construction support and waterproof
作为施工实例，在广州地铁一号线烈士陵园至东山口区间隧道的竖井及联络通道施工中，采用三重管法对周围地层实施了旋喷桩和摆喷墙加固，达到了施工支护和防水止渗的双重效果。