文档简介:
序号公称直径DN焊接钢管无缝钢管螺旋官UPVC管PP-R管PB管铝塑管铸铁排水管高密度聚乙烯管11521.32020202022026.8282525252532533.5323232323243242.33840404040540484850505050650605763636363505076575.5767575757588088.5897590909075910011410811011011011010011010125140133125111501651591601501601220021921920020020013250273273250143003253253001535037737735016400426426400174504804801850053053019600630630管道DN与De对照表管道DN与De对照表
评论
发表评论