integrated ballast bed
常見(jiàn)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(duì)城市軌道交通的特點(diǎn)，著重對(duì)高架橋上整躰道牀的鋼軌支承間距進(jìn)行研究，計(jì)算分析了不同軌枕間距對(duì)軌道結(jié)搆力學(xué)特性的影響。 返回 integrated ballast bed