词语乙烯基聚合物和异氰酸聚合体、异硫氰酸盐
解释polymes of vinyl compounds and isocyanates,isothiocyanates
polymes of vinyl compounds and isocyanates,isothiocyanates乙烯基聚合物和异氰酸聚合体、异硫氰酸盐详细»