英语词汇“step ventilation”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	step ventilation
释义	step ventilation [step ˌventlˈeɪʃən] n. 断级充气
随便看	child's ticket child study child's umbrella with nickel plated shaft child's umbrella with wooden shaft and handle child summer warm disease Child Supervision child-support child support Child Support Agency child support maintenance child support payment child supports child surgery child symptomatology Child Tax Credit child therapeutics child ticket childtime child to parent linkage child tracking child-training child-trainings child transaction childur child urology 一日夫妻，百日恩义一日夫妻，百日恩情一日失节，寝寐不宁，疾病生矣；终身失节，后嗣无观，祸败作矣。一日如三秋，相思意弥敦一日官事十日打一日官司十日打。一日干戈动，十年不太平一日思亲十二时一日打柴，一日烧一日无书，百事荒芜。国学国守国定国定公園国宝国宝級国家国家主義国家公務員国家公安委員会