站场路基 yard subgrade

[名词解释] 站场路基高程 elevation of yard subgrade

[名词解释] 路基顶面 subgrade surface

[名词解释] 站场路基

[名词解释] 直通场 through yard

[名词解释] 出发场 departure yard

[名词解释] 到达场 receiving yard

根踞站场路基的宽度、排水要求和路基填挖情况,可将站场路基面设计成()的横断面。A. 单面坡B. 双面坡C. 三角形D. 梯形E. 锯齿形坡

[名词解释] 编发场 marshalling-departure yard

[名词解释] 交接场 dilivered and received car yard

[填空题] 国家基准站观测场距铁路路基的距离应（）。