回転計
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Meanings
1
tachometer; revolution counter
Technical term for a device that measures rotational speed, typically in RPM.
The engine's tachometer suddenly stopped working.
Measure the motor's rotation speed with a tachometer.
tachometer; revolution counter
Technical term for a device that measures rotational speed, typically in RPM.
The engine's tachometer suddenly stopped working.
Measure the motor's rotation speed with a tachometer.