frigon

常见例句

• It is found that frigon related effluent in filatures shows extremely high concentration, though small discharge amount.
  繅絲廠滯頭廢水排放量雖少,但濃度極高。
• Keywords spun silk;frigon;oil-removing;mixture;surfactant;
  絹紡;滯頭;除油;複配;表麪活性劑;
• tussah frigon
  挽手
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