conversion rod

例句：

1. 1. The engineer used a conversion rod to adjust the angle of the machine.
   工程师使用转换杆调整机器的角度。
2. 2. During the construction process, we often need to use conversion rods to ensure the stability of the structure.
   在施工过程中，我们经常需要使用转换杆来确保结构的稳定。
3. 3.The converter rod was crucial in the process of converting the raw materials into finished products.
   转换棒在这个过程中对于将原材料转化为成品至关重要。