聚乙烯（PE）管道对接熔接头与电熔接头的检测。依据检测技术和检测程序的不同，可发现多种类型的缺陷，包括离散的平面状未熔合、颗粒状污染、气孔、冷熔合……
the inspection of butt fusion and electrofusion joints in polyethylene (PE) pipes. Depending on the technique and inspection procedure, various types of flaw, including discrete planar lack of fusion, particulate contamination, voids, cold fusions...