... 预制混凝土桥面组合:precast concrete deck unit 预制混凝土墙板:precast concrete panel 预制混凝土砌块:precast concrete segment ...
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precast concrete panel building 大板楼建筑
whole room precast concrete panel 预制整间楼板
precast concrete facade panel 预制混凝土面板
precast concrete fascia panel 预制混凝土面板
composite steel-precast concrete panel beams 钢
precast concrete wall panel 预制混凝土墙板
precast concrete cladding panel 预制混凝土骨架填充板材护墙板
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