walk-behind英'wɔːkbɪh'aɪnd美'wɔːkbɪh'aɪndCOCA¹²⁶³²¹iWeb⁴⁸⁵³⁸ 基本例句 adj.推着走的人⁵⁰;人在后面跟着的⁵⁰ At present, compaction machinery products include: frog tap machine, type roll road, static effect roll road, vibratory roller and walk-behind vibratory roller, etc. 蛙式打夯机、轮胎压路机、静作用光轮压路机、振动压路机和手扶振动压路机等是国内压实机械的主要产品。 qfpaper