railway tunnel短语¹³¹⁶²⁰⁺³ 基本例句 铁路隧道 Based on the model of structure and surrounding rock mass co- deformation, the reasonable optimum supporting structure parameters are determined for Yuanliangshan railway tunnel. 采用围岩与结构共同变形的计算模式，优选出圆梁山隧道在高压涌水条件下的合理支护结构形式。 cnki