survey of existing station yard survey_测绘学英汉词典
survey of existing station yard survey
[测绘学英汉词典]
survey of existing station yard survey既有线站场测量
为既有铁路站场的改建、扩建及技术改造，而对既有站场的地形、建筑物、构筑物、设备、股道、道岔、信号系统等所进行的详细测绘。
是什么意思，survey of existing station yard survey的解释，survey of existing station yard survey的翻译
