permanent speed

• 恒定速度

permanent speed的用法和样例：

例句

1. It enables the rotor with constant speed for maintaining steady output voltage.
   它使转子能以恒定速度转动，保持输出电压稳定。
2. He also developed a centrifuge governor to hold a steam engine at a constant speed.
   他还开发了离心总督举行蒸汽机以恒定速度。