ring crossing的意思|示意

Hangzhou bay sea-crossing bridge project is the main highway line across ShenHai-Hangzhou national highway, is G92 (Hangzhou) ring road of component.

杭州湾跨海大桥是国道主干线—沈海线跨越杭州湾的边界通道，是国家高速公路网杭州湾环线(G92)的组成部分。

According to the complication of pipe-jacking crossing the Yellow River some techniques such as twin-pipe joined without hinging, relay ring, slurry damper are applied.

针对济南市引黄供水穿黄顶管的复杂工况，详细介绍了以二段无铰式工具管为头部的顶管施工工艺及中继环、泥浆减阻等先进技术的使用。