詞語：valonea
valonea的意思
valonea 橡碗;valonea extract 橡碗栲膠;
valonea的參考例句
1.Valonea extract is modified by graft copolymerization with acrylate monomer. Modification method, match for meterial and modification condition are preliminary researched. 用丙烯酸酯類單體對橡