A.香樹(shù)脂 B.油樹(shù)脂 C.酯樹(shù)脂 D.油膠樹(shù)脂 E.膠樹(shù)脂
A.香樹(shù)脂 B.油樹(shù)脂 C.膠樹(shù)脂 D.油膠樹(shù)脂 E.膠合樹(shù)脂