Traditionally, the steel pipe fittings with PTFE lining are mainly manufactured with the lap winding technique.
内衬聚四氟乙烯管配件传统上主要采用缠绕法成型。
This paper describes the longitudinal winding technique of steel tape, analyses the factors influencing the quality of formation of longitudinal winding.
本文探讨钢带纵包成形工艺，并分析了影响钢带纵包成形的因素，提出了工艺上解决的方法。
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