dungs

网络  上粪



双语例句

  1. 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
  2. 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;