海词手机词典

A series of poly(vinyl acetate-co-triallyl isocyanurate) beads was synthesized via suspension polymerization in the presence of the mixed porogenic agents of 200 # gasoline and n-butyl acetate.

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