vinyl resin是什么意思

用法例句

Spectrophotometric determination of aluminium in polyethylene resin with chrome azurol S;

铬天青S分光光度法测定聚乙烯树脂中铝

The paper mainly introduced the manufacturing process, inspection method, characteristic and use of polyethylene powder coatings painted steel pipe (including shape tube, storage tank and connector) ,together with the physical property of polyethylene resin.

主要介绍聚乙烯树脂的物理性能、聚乙烯粉末涂层钢管(含异形管、油罐、接头)的制造、检查方法及制造的范围、涂层钢管的特性和用途等。