baffled exchanger

例句：

1. 1.The engineer was baffled by the complexity of the problem.
   工程师对这个问题的复杂性感到困惑。
2. 2.The baffled exchanger caused a significant delay in the process.
   这个困惑的交换器导致了过程的显著延迟。
3. 3.The baffled exchanger was a major cause of the project's failure.
   这个困惑的交换器是项目失败的主要原因。