海词手机词典

Composite latex consited of polyacrylate-polyurethane was prepared with aqueous polyurethane emulsion,methyl methacrylate and butyl acrylate as vinyl monomer by soap-free seed emulsion polymerization.

播放读音 播放读音

以上内容独家创作,受著作权保护,侵权必究

海词词典,十七年品牌