HSAW paipu (ajija submerged aaki welded pipe), jẹ mabe ti gbona-yiyi rinhoho, irin ati atunse ti a ṣẹda ni ibamu si ajija, laifọwọyi submerged aaki alurinmorin ti gbe jade laarin awọn pelu ati awọn lode pelu welded ajija pelu irin pipe (tun mo bi ajija welded pipe). , ajija paipu, ajija irin pipe)....
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