某学者欲研究被石油污染过的土壤中细菌数量并从中筛选出能分解石油的细菌下列操作错误的是a.利用平板划线法对细菌进行计数b.以石油为唯一碳源的 Template




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tomski某学者欲研究被石油污染过的土壤中细菌数量并从中筛选出能分解石油的细菌下列操作错误的是a.利用平板划线法对细菌进行计数b.以石油为唯一碳源的 coloring