標(biāo)題: ASTM F 1057-1987 用熱回復(fù)技術(shù)評定擠壓聚乙烯管的質(zhì)量 [打印本頁] 作者: 兌水 時間: 2009-11-28 13:48 標(biāo)題: ASTM F 1057-1987 用熱回復(fù)技術(shù)評定擠壓聚乙烯管的質(zhì)量 F1057-87(2000) Standard Practice for Estimating the Quality of Extruded Poly (Vinyl Chloride) (PVC) Pipe by the Heat Reversion Technique