定压成型时，在压制后有保压延时及自动回程动作。

There are time delay of press forming under fixed pressure.

youdao

主要产品有PVC压延片材、环保型的PET片材、板材；

The main products are PVC calendered sheet material, environment-friendly PET sheet, plate;

youdao

主要产品有PVC压延片材、环保型的PET片材、板材；

The main products are PVC calendered sheet material, environment-friendly PET sheet, plate;

youdao