浅谈全风化花岗岩地质条件下大断面铁路双线隧道的进洞技术
천담전풍화화강암지질조건하대단면철로쌍선수도적진동기술
Talking about the Caving Technique for the Large-section Railway Double-track Tunnel under the Geological Condition of Completely Weathered Granite