reel height adjusting crank

例句：

1. 1.The reel height adjusting crank is essential for the operation of the fishing rod.
   卷筒高度调节曲柄对于钓鱼竿的操作至关重要。
2. 2. The engineer used the reel height adjusting crank to fine-tune the fishing rod.
   工程师使用卷筒高度调节曲柄来调整钓鱼竿。
3. 3.The reel height adjusting crank was designed to make fishing easier and more efficient.
   卷筒高度调节曲柄的设计旨在使钓鱼更加轻松高效。