塑料热成型技术02-操作基础
本文介绍热成型的基础知识,包括成型压力的作用、成型压力的控制、模具结构和成型前预拉伸的原理和方法
According to the notice from the superior goverment, the Spring Festival holiday in 2020 will be postponed to February 9, and will open on February 10.
Diaphragm airspring process consists of mixing, calendaring, bia-cutting and jointing, winding with padding, building, curing, cutting, assembly and folding etc.