短語詞組短語concrete e spraying 混凝土噴灑pumping concrete spraying machine 泵式混凝土濕噴機concrete spraying support [礦業(yè)]噴射混凝土支護Rotor concrete spraying machine 轉子式混凝土噴射機concrete spraying robot 噴漿機器人的spraying concrete 噴射混凝土 返回 concrete spraying