concretegunn.水泥喷枪concreteadj.具体的；实质性的；混凝土的n.水泥；混凝土；具体物v.凝结；结合concrete spraying混凝土喷洒concrete in water水中混凝土concrete membrane混凝土薄层concrete modeling具象造型concrete teaching立体教学concrete retarder混凝土缓凝剂concrete terrazzo混凝土水磨石concrete pavement混凝土路面concrete function具体功能concrete conveyer混凝土输送机