Machine preparation: loading machine, tip lorry, 8T road roller, frog rammer, plate-type concrete vibrator, insertion-type concrete vibrator, sewage pump.是什么意思_Machine preparation: loading machine, tip lorry, 8T road roller, frog rammer, plate-type concrete vibrator, insertion-type concrete vibrator, sewage pump.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句