pre-ehlorination

英[p'riːeɪl'ɒrɪneɪʃn] 美[p'riːeɪl'ɒrɪneɪʃn]
  • 预加氯
  • cfs abbr.立方尺/秒(=cubicfeetpersecond)
  • pre abbr.PetroleumRefiningEngineer炼油工程师
  • stressed adj.紧张的;有压力的