survey of existing railway的意思|示意
美 / ˈsɜrˌveɪ ɔv ɪgˈzɪstɪŋ ˈreilwei /
英 / ˈsɜː(r)veɪ ʌv ɪɡˈzɪstɪŋ ˈrelˌwe /
既有线测量
survey of existing railway相关短语
1、 repetition survey of existing railway 线路复测,既有线复测