成沟 meaning in English
gutter
Examples
- We succeeded in crossing hanjing river of zhong - wu gas pipeline project , dawen river of jining branch line of west - east gas pipeline using the technique of trenching in water , controlling negative buoyancy and bottom towing without water interception
公司采用带水大开挖成沟，控制负浮力，管道底拖法等施工工艺，在江河不断流的前提下，成功完成了忠武输气管道襄樊支线汉江穿越、西气东输冀宁支线大汶河穿越等工程。