Z9立管支撑板有多少种型号

Z9立管支承板（无保温）附注：材料：Q235-B 标号示例：Dw=159 标号：Z9.159S产品标号：Z9.57S，Z9.76S，Z9.89S，Z9.108S，Z9.133S ，Z9.159S，Z9.194S，Z9.219S，Z9.245S，Z9.273S，Z9.335S，Z9.377S，Z9.426S，Z9.478S，Z9.529S，Z9.630S。