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1 ASTM A105 ASME B16.5 SW RF SCH 40 ASME CL 150 12 202号ASTM A105 ASME B16.5 SW RF SCH 40 ASME CL 150 34 243号ASTM A105 ASME B16.5 SW RF SCH 40 ASME CL 150 1号244 ASTM A105 ASME B16.5 SW RF SCH 40 ASME CL 150 1.5 45号ASTM A105ASME B16.5 RF ASME CL 150 12号206 ASTM A105ASME B16.5 RF ASME CL 150 34 247号ASTM A105ASME B16.5 RF ASME CL 150 1号24Annex 1CS盲FlangesCS Flanges8 ASTM A105ASME B16.5 RF ASME CL 150 1.5 49号ASTM A105ASME B16.5 RF ASME CL 150 2号1210 CS SMLS A105 SCH80 API 5LGR B(6港铁长度)12号2