Tachogenerator
测速发电机, 转速表传感器
🗣️ 情景例句
It'll only take a few minutes.
只要几分钟时间。
Not let the grass grow under one's feet.
不失时机。
He has worked there since it opened in 1989.
从1989年这家工厂开办起，他就在这儿工作。