tertiary (sewage) treatment

 
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tertiary (sewage) treatment的英文翻译是什么意思,词典释义与在线翻译:

英英释义

名词 tertiary:
  1. from 63 million to 2 million years ago

形容词 tertiary:
  1. coming next after the second and just before the fourth in position

今日热词
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