top-heading method
... 上下导坑法top and bottom heading method 上导坑法top-heading method 漏斗棚架法hopper-shed support tunnelling method ...
基于38个网页-相关网页
上下导坑法 top and bottom heading method
·2,447,543篇论文数据，部分数据来源于NoteExpress
从总体上分析结果可知，双侧壁导坑法更适合于双向八车道连拱隧道施工。
It can be concluded that from overall analysis the double-side-drift method is more suitable than the CRD method in multiple-arch tunnel with eight traffic lanes.
youdao
应用推荐
模块上移
模块下移
不移动