Lawv nr
Poly anioniccellulose (PAC) yog ib lub nroog cellulose ether derivative, uas nrhiav nrhiav tau nrhiav tau npau taws. Tsis yog ib zaug celulose ether nrhiav dej nrhiav nrhiav nrhiav nrhiav nrhiav nrhiav nrhiav nrhiav ntsib. Lawv mus ua Wells, thiab tej tswj tswj.
Saib ntxiv