ppsa

ppsa

美 　英

• 网络私人财产担保法案(Personal Property Security Act)；英国清管产品服务协会；个人财产担保法

例句

Synthesis of PPSA as a phosphorus-containing polymer water treatment agent;

甲壳胺是一种无毒、无公害、价廉的天然水处理剂。

PPSA algorithm of strategic inventory routes

策略性库存路线的PPSA算法