60m预制混凝土箱梁
60 m precast concrete box girder
预制混凝土面板
precast concrete facade panel
预制混凝土桥面组合
precast concrete deck unit
预制混凝土胎模法
prefabricated concrete tire shuttering
预制加气混凝土砌块
precast autoclaved aerated concrete masonry units
预制可受钉的混凝土板
precast nailable concrete plank
预制拼装式钢筋混凝土系杆拱桥
precast joggle reinforced concrete tied arch bridge
预制预应力混凝土单元
precast prestressed concrete unit
预制预应力混凝土技术
prefabricated prestresed concrete technology
预制预应力混凝土框架
precast prestressed concrete frame
原位预制混凝土底座
in situ and precast intermittent kicker
钢－混凝土预制板组合梁
composite steel-precast concrete panel beams
steel-precast concrete composite beams
钢筋混凝土预制方桩
Reinforced concrete precast square piles
混凝土浇灌给料控制箱
feeding control case for depositing and mixing of concrete