预应力钢筒混凝土管 PCCP ; Prestressed Concrete Cylinder Pipe

混凝土管 [建] concrete pipe

领土管辖权 territorial jurisdiction

钢筋混凝土管 RCP ; reinforced concrete pipe

预应力高强混凝土管桩 PHC ; Prestressed high strength concrete pipe pile

预应力混凝土管桩 PHC ; prestressed concrete pipe pile ; Prestressed Concrete Piles

陶土管 clay pipe ; vitrified clay pipe ; ceramic pipe

混凝土管桩 PHC ; concrete pipe pile ; concrete tubular pile

釉面陶土管 [建] vitrified clay pipe

高强预应力混凝土管桩 PHC