1)roundabout way,绕道2)gastric bypass,胃绕道术3)traffic diversions to detour rat-run,因修路绕道
用法例句
This paper introduces the technologies of going through the collapsible columns, roundabout ways and pilot tunnels of the 3309 fully mechanized sub-level working surface in Chengzhuang Coal Mine, analyzes on the main problems existing and the corresponding measures, and discusses their economic benefit and social benefit.