采购品名称规格单位*钢衬塑同心异径管,CL***DN**X**Ⅰ********(C),ASTMF****-**a,**X**个*钢衬塑同心异径管,CL***DN**X**Ⅰ********(C),ASTMF****-**a,**X**个*非金属平垫片,RF**A-Class***厚度=*mm,HG/T********,**个*非金属平垫片,RF**A-Class***厚度=*mm,HG/T********,**个*非金属平垫片,RF**A-Class***厚度=*mm,HG/.
