环形线路
- 网络loop line;Loop Trail;circulationroute
环形线路-
在镇内公交线路规划时总结出直线形公交线路和环形公交线路。
It summarizes straight public bus lines and ring public bus lines during the programming of inter-town bus lines .
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富毕卡山谷地位于环形旅游线路的外边缘地带————从不丹唯一的国际机场沿国道需6个小时车程，而所谓的国道只是一条蜿蜒的单车道沥青碎石路。
It was on the outer edge of the tourist circuit - a six-hour drive along the " national highway , " a twisting one-lane ribbon of crumbling tarmac , from Bhutan 's only international airport .