The car's tachometer shows the rpm of the engine.

汽车的转速表显示发动机的每分钟转数。

Increase the rpm to get more power from the machine.

提高每分钟转数以获得更多的机器动力。

The engine runs at 3000 rpm.

发动机以每分钟3000转的速度运行。

The motor operates efficiently at 1500 rpm.

电机在每分钟1500转时高效运行。

The fan speed is adjustable up to 2000 rpm.

风扇速度可调至每分钟2000转。

The tachometer in my car shows the engine's RPM.

我车上的转速表显示了发动机的转速。

The engine can deliver maximum torque at high RPM.

在高转速时，发动机可以输出最大扭矩。

The tach showed that the engine was idling at 800 RPM.

转速表显示发动机在800转每分钟的怠速运行。

You need to know at what RPM your car reaches maximum torque.

你需要知道你的车在什么转速下达到最大扭矩。

Fan ## RPM exceeding range.

风扇 ## 转速超出范围。