基本解释重要度同根派生 importanc相关词英汉例句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麪臨的未來排放汙染物標準的挑戰以及後処理技術的必要性。importanc更多例句