双车道隧道
Two-lane tunnel
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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.
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