立管支承板出厂前如何标识

标号示例：DW=159，标号为Z9.159S。Z9立管支承板的产品型号有：Z9.57S，Z9.76S，Z9.89S，Z9.108S，Z9.133S，Z9.159S，Z9.194S，Z9.219S，Z9.245S，Z9.273S，Z9.325S，Z9.377S，Z9.426S，Z9.478S，Z9.529S，Z9.630S。