Read Edit View history 马赫数 Mǎhèshù Mach number Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 马赫数/ 馬赫數 Mǎhèshù Mach number noun · Mach number (fluid mechanics) 这架超音速飞机的马赫数达到了2.0。 Edit Delete References Add reference No references for this word.