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单词 tachometer
释义 tachometer
 —tachometrically /tak'euh me"trik lee/,  adv.   —tachometry,  n.  
 /ta kom"i teuhr, teuh-/,  n.  
  1. any of various instruments for measuring or indicating velocity or speed, as of a machine, a river, or the blood.
  2. an instrument measuring revolutions per minute, as of an engine.
 [1800-10; TACHO- + -METER]
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更新时间:2025/1/25 7:01:40