DEC-OGP-S-AC-010-2020-1油气管道工程辐射交联聚乙烯热收缩带(套)及补伤片.pdf,PipeChina Design Engineering Code 油气储运工程 辐射交联聚乙烯热收缩带/套(热熔胶型) 及补伤片技术规格书 Specification of Heat shrinkable sleeve and patch for Gas Pipeline Project