rail spur短语¹⁴⁴⁹⁷²⁺² 基本例句 🌏铁路岔道；铁路岔线 This paper analyzes on the features of the plane layout of various intersecting rail spurs, and expounds the basic principles and applications of the plane layout of the intersecting rail spur. 分析了各类交叉式线岔平面布置的特点，论述了交叉式线岔平面布置的基本原则及其应用。 dictall