预制混凝土浇灌场
precast concrete casting yard
60m预制混凝土箱梁
60 m precast concrete box girder
混凝土浇灌和养生
concrete pouring and curing
混凝土浇灌架
concrete placing boom
concrete distribution mast
concrete placing mast
混凝土浇制楼面
concrete monolithic flooring
离心浇灌混凝土
centrifugally cast concrete
离心浇制混凝土管
centrifugally spun concrete pipe
spun concrete pipe
气动混凝土浇灌机
pneumatic concrete placer
EPS轻集料混凝土
expanded polystyrene EPS lightweight concrete