main (air) cleaning system

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main (air) cleaning system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 main:
  1. any very large body of (salt) water

  2. a principal pipe in a system that distributes water or gas or electricity or that collects sewage

形容词 main:
  1. most important element

  2. (of a clause) capable of standing syntactically alone as a complete sentence

  3. of force; of the greatest possible intensity

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