rpm [ˌɑ:r]

例句:

• Both engines were running at 2500 rpm.
  两个发动机的转速都是每分钟2,500转。
  
• To make an rpm - drop test, a tachometer is needed.
  做每分钟转速下降试验时, 需要一个转速表.
  
• I bought some old 78 rpm records at a flea market in the village hall.
  我在村政厅的跳蚤市场上买了一些每分钟78转的旧唱片.
  
• For example look at the rpm in different wind speeds.
  来自SA
• The slow rpm build-up hurt our lap time...on a long uphill.
  来自Dirt Bike
• The new RPM method, which we've been increasingly using on a number of projects recently, simplifies things enormously.
  来自BBC