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天然树脂
释义
天然树脂
Encyclopedia
农学
天然树脂
释
natural resin
天然树脂
广义的天然树脂是由天然植物、动物、矿物等获得的一类无固定形状的玻璃态有机物质，如纯树脂、含油树脂、含树胶树脂（即树胶）、紫胶、天然沥青等。狭义的天然树脂主要是来源于植物或动物的纯树脂和含油树脂，一般不包括含树胶树脂、大漆和天然橡胶。
理学
天然树脂
释
natural resin
天然树脂
由植物或动物分泌物得到的树脂。
Chemistry
＞高分子科学＞一般名词＞释义
natural resin
天然树脂
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library business work system
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Library Catalog of the Four Branches of Literature of Emperor Yuan of Jin
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library education and research society of Chinese association for educational pronotion(CAEP)
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更新时间：2025/9/2 1:22:03