短语词组短語concrete e spraying 混凝土噴灑pumping concrete spraying machine 泵式混凝土溼噴機concrete spraying support [鑛業]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