详细情况请点击zhou-cn.com进行查看。谢谢。S20型用于管材减径拉伸模型号基本尺寸参考参数DHdhh1h2S20-21614211.52.5S20-331.53.5S20-42218424.5S20-530225327S20-66S20-77S20-88S20-935259S20-1010S20-1111S20-12402812S20-1313S20-1414S20-15453015S20-1616S20-1717S20-1850321842.5S20-1919S20-2020S20-2121S20-2255228S20-2323S20-2424S20-2525S20-26603426S20-2727S20-2828S20-29653629S20-3030S20-3131S20-337542335310S20-3535S20-37854537S20-3939S20-41954841S20-4343S20-45