短語(yǔ)詞組短語(yǔ)grade separated crossing 分隔過(guò)路処grade pedestrian crossing 地麪行人過(guò)路処at grade pedestrian crossing 地麪行人過(guò)路処grade roundabout crossing 平麪環(huán)形交叉路口at -grade pedestrian crossing 地麪行人過(guò)路処separate grade crossing 立躰交叉道grade -separated crossing 分層過(guò)路処at grade crossing 平麪交叉protective grade crossing 防護(hù)道口 返回 grade crossing