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常見(jiàn)例句

• This paper presents the challenge that diesel engines s hall face to meet standards and regulations of emissions,discribes its importanc e of the aftertreatment technology are presented.
  本文分析了目前柴油機(jī)麪臨的未來(lái)排放汙染物標(biāo)準(zhǔn)的挑戰(zhàn)以及後処理技術(shù)的必要性。
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