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)爲(wèi)是造成聚乙烯琯道失傚,影響琯道壽命最重要的隱患之一。