drum position changeover switch

例句：

1. 1.The drum position changeover switch is essential for the sound quality of the instrument.
   鼓位转换开关对于乐器的声音质量至关重要。
2. 2.The engineer had to replace the drum position changeover switch due to a faulty connection.
   由于连接故障，工程师不得不更换鼓位转换开关。
3. 3. The technician carefully inspected the drum position changeover switch before reassembling the instrument.
   技术员在重新组装乐器之前仔细检查了鼓位转换开关。