sinuate handwheel

例句：

1. 1. The engineer carefully sinuated the handwheel to adjust the speed.
   工程师小心翼翼地调整手轮来调节速度。
2. 2. The old clock had a sinuate handwheel that was intricately carved.
   这把旧时钟有一个复杂的雕刻的螺旋式手轮。
3. 3. The car's engine has a sinuate handwheel for easy starting.
   汽车的引擎有一个螺旋式手轮，便于启动。