基本解釋慢速裂紋擴(kuò)展專業(yè)釋義化學(xué)慢速裂紋擴(kuò)展However Slow Crack Growth (SCG) is recognized as one of the major concerns for polyethylene pipes.慢速裂紋擴(kuò)展(SCG)被認(rèn)為是造成聚乙烯管道失效,影響管道壽命最重要的隱患之一。