mechanical foaming

• 机械发泡

mechanical foaming的用法和样例：

例句

1. The preparation technology and its effect factors for polyvinyl formal foam plastic by way of mechanical foaming method were studied.
   本文论述了用机械发泡法制备聚乙烯醇缩甲醛泡沫塑料的工艺及其影响因素。