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dungs

网络  上粪

双语例句

  • The spectrophotometric application to study the conditions of determination and separation of chlorophyll from silkworm dungs
    应用光度法研究从蚕粪中提取和测定叶绿素的条件
  • Sedimentation and centrifugalization methods would be effective in solid-liquid separation of pig and chicken dungs because the specific gravity of the two kinds of dungs are all>1 and residues are precipitated by gravity.
    经研究,猪鸡粪的比重>1,其沼渣在水中发生沉淀,采取沉降分离、离心分离有效;