production of pine oleoresin
production of pine oleoresin
生产松脂
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The primary biomass used for surfactant production usually is as follows: cellulose, lignin, starch, chitin, oil and fat and pine oleoresin(an exudate of pine trees) and so on.
开发表面活性剂的生物质资源有纤维素、木质素、淀粉、甲壳素、油脂和松脂等。
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