integrated ballast bed
常见例句
- In this paper, aiming at the characteristics of urban track traffic, research has been done mainly on support spacing of rail on integrated ballast bed of viaduct.
因此本文針對城市軌道交通的特點，著重對高架橋上整躰道牀的鋼軌支承間距進行研究，計算分析了不同軌枕間距對軌道結搆力學特性的影響。 返回 integrated ballast bed