具体规格有: 钢带0.2-3.0*20-300 硬度:软态, 中硬, 全硬态。 圆管:9, 12, 14, 16, 18, 19, 22, 25, 27, 30, 32,35, 38, 39. 42, 46, 48, 50, 52, 57, 60, 63, 65, 70, 76, 80 >> 查看更多
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