API 5L/ASTM A53 GR.B, CARBON STEEL, LSAW STEEL PIPE FOB TIANJIN Ngaphandle Ububanzi 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 863.1005 3, Wall 1 1,035 1,035 1,035 1,035 Ukutyeba 9.53 1,043 1,027 1,035 1,012 1,012 1,012 1,012 1,012 壁...
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