tachograph

英['tækəɡrɑːf] 美['tækəɡræf]
  • n.(机动车的)速度记录器
  • pulse n.脉搏;脉冲;[植]豆类v.搏动;跳动
  • tach abbr.准距计;速度计(=tachometer)
Noun:
  1. a tachometer that produces a graphical record of its readings; used to record the speed and duration of trips in a motor vehicle