tertiary (sewage) treatment

 
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tertiary (sewage) treatment的英文翻譯是什么意思,詞典釋義與在線(xiàn)翻譯:

英英釋義

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

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

今日熱詞
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