fly spindle

例句：

1. 1. The spinning machine is the key to producing high-quality yarn.
   纺纱机是生产高质量纱线的关键。
2. 2. The engineer designed a new fly spindle that could reduce energy consumption by 30%.
   工程师设计了一种新型飞轮，可以降低30%的能量消耗。
3. 3. The old spinning mill was replaced by a modern one with a new fly spindle.
   旧的纺纱厂被一座现代化的新纺纱厂所取代，新纺纱厂配备了新型飞轮。