英语语法分析

To reduce the use of PVA in size formula in polyester cotton blended product, and reduce sizing cost, sizing practice of using low alcoholization PVA-217SB and Runli size mixture were done.

为了减少涤棉混纺产品浆料配方中pva的用量，降低上浆成本，应用pva - 217sb低醇解度P VA、润力浆料进行了上浆实践。