birch extract
桦树提取
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Conclusion Both extracts of birch wood dust may be initiators, and carcinogenic effect of the water extract is stronger than that of the organic extract.
结论桦木尘提取液可能为一启动剂，桦木尘水提取液的致癌性强于有机提取液。
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