事实证明，高密度聚乙烯管道的对接熔接一直是生产无泄漏、整体式管道系统的极有益工艺。智利采矿业的持续增长使得聚乙烯管道管径需要大幅增加……
Butt fusion of HDPE pipe has long been shown to be an extremely beneficial process in producing leak-free, monolithic piping systems. Continued growth of the Chilean mining sector has necessitated a substantial increase in polyethylene pipe sizes...