【摘要】 淘汰镀锌碳钢管乃大势所趋 ,近年来 ,各种替代品纷纷登台亮相。本文分析了流行的塑料管道、复合管道、防腐金属管道的优缺点 ,并对小口径压力管道的发展方向作了初步探讨更多还原

【Abstract】 It is general trends resently to eliminate the galvanized carbon steel pipeline.Several new kinds of pipelines came along to replace it.the advantage and disadvantage of te populat plastic prpeline,comrosite pipeline and antirust pipeline are analyzed in this paper.In addition the development in aspect of the pressure pipeline with small diameters is also discussed.更多还原