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5.76/6.7 7.68/8.65 8.50/9.50 10.62/11.68
11.5094 11.1125 12.7 11.1215
11.1125mm 11.5094mm 12.7mm 10mm
11.5094 11.1125 12.7 11.1215
芯头实际外径8.48mm 芯头名义外径8.48mm 管坯内径8.48mm 铜管外径8.48mm
12.7mm 12.74mm 12.66mm 12.75mm
5.76/6.7 7.68/8.65 8.50/9.50 10.62/11.68
11.1125mm 11.5094mm 12.7mm 10mm
实际外径9.52mm 名义外径9.52mm 实际内径9.52mm 名义内径9.52mm
11.5094 11.1125 12.7 8.7312