天天干天天色色色,国产成人一区二区在线影视,欧美一区二区在线观看精品久,东京热tokyo综合久久精品,2025国产天天干,亚洲精品久久久岛国,亚洲在线一区二区三区,91精品麻豆久久久国产

8613564568568588

?ňde-de, ?ňki pürtükli enjamlara ?ňünden

  • ?ňde-de, ?ňki pürtükli enjamlara ?ňünden

    ?ňde-de, ?ňki pürtükli enjamlara ?ňünden

    ?ň bakylan taksaň sany prin gurlu?yk usuly yokarlanmak, ?uňňur garamak ü?in ?ňünden ?ykan deslapky guyulyan enjamlaryň ?ňünden yasalan enjamlary sarp etmegiň we deslap ?ňki zynjyrly bedene p?sgel bermek ü?in i?gysyndan ?ňünden yapylan guyulyan enjamlaryň ulanylmagyny üpjün edy?r. It's a pile foundation method with various combinations of different types of the prestressed high strength concrete knot diversion pile (PHDC), prestressed high-intensity concrete pile (PHC), prestressed reinforced high strength concrete pile (PRHC) under sequence as pilling, Root-enlarging, Injecting, implanting.