impurity

• Test method for the percentage of impurities in angora rabbit hair
  兔毛含杂率试验方法
• A filter device can effectively filtrate impurity
  设有过滤器装置，可进行有效的过滤。
• Oilseeds - determination of content of impurities
  油料籽.杂质含量的测定
• These use carbon or mesh to catch impurities
  这些过滤器运用碳元素或过滤网来除去杂质。
• These use carbon or mesh to catch impurities
  它们是利用活性炭或者过滤网来捕捉杂质的。
• The impure mixture with impurity is purified
  含杂质的不纯混合物被提纯。
• There is no impurity so impure as old age
  都没有年龄大了那种不纯的杂质
• It takes the impurities out of a girl ' s body
  把女人身体里的浊物带出来
• It takes the impurities out of a girl ' s body
  把女人身体里的浊物带出来
• Determination of the impurities in pesticide phorate by gc ms
  法测定杀虫剂甲拌磷中的杂质