短語(yǔ)詞組短語(yǔ)rail foot surface 鋼軌底面Rail Sweep Surface 單軌掃描曲面;雙軌掃描曲面;雙扶手曲面;雙軌掃瞄曲面Guide rail mounting surface detection 導(dǎo)軌安裝面檢測(cè)2 -Rail Sweep Surface 雙軌掃描曲面1 -Rail Sweep Surface 單軌掃描曲面Rail surface width 軌道面寬rail l sweep surface 雙軌掃描曲面rail surface cracks 軌面裂紋uneven rail surface 軌面不平順 返回 rail surface