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简介:HRZVFBGCUZYK2外径 /mm 壁 厚/mm                 3.8 4.0 4.2 4.5 4.8 5.0 5.4 5.6 6.0 6.5 7.0 8.0 9.0 10.0 11.0 12.0 12.7  钢管的理论质量/(kg/m)     
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