Tachometer will not display an rpm value .

转速计不显示转速值。

Sclerometer , velocity measurement meter , pachymeter , tachometer etc.

硬度计、速度测量仪表、测厚仪、转速表等。

The race table : volt , water tempreture , oil tempreture , oil pressure and tachometer and so on .

表分电压，水温，油温，油压，转数及增空等。

Single integrated tachometer and speedometer .

单一集成转速及速度。

The speedometer , tachometer , trip meter , fuel gauge and other indicators are set in optimum position to keep the field of vision clear .

速度计，转速表，行程表，燃油表和其他指标都列于最佳位置以保持视野清晰。