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rumen flora例句_rumen flora英汉例句_rumen flora双解例句_94生活常识网有道词典
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rumen flora

R 开头单词

常见例句

    双语例句

  • Abstract : The objective of this study was to research the effects of tea saponin on rumen protozoa flora of dairy cows.
    摘要 本研究旨在研究茶皂素对奶牛瘤胃原虫区系的影响。
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