high speed shaft

例句：

1. 1.The high-speed shaft is essential for the machine's operation.
   高速轴对于机器的运行至关重要。
2. 2. The engineer designed a high-speed shaft to improve efficiency.
   工程师设计了一个高速轴来提高效率。
3. 3. The high-speed shaft was responsible for transmitting power from the engine to the wheels.
   高速轴负责将发动机的动力传递给车轮。