2 sentences for 交换 (jiāo​huàn — switch)

1. 数据通过分组交换技术进行传输。

   shù​jù tōng​guò fēn​zǔ jiāo​huàn jì​shù jìn​xíng chuán​shū.

   Data is transmitted using packet-switching technology.

   Source: Dong Chinese Dictionary

2. 电话交换机负责连接不同的线路。

   diàn​huà jiāo​huàn jī fù​zé lián​jiē bù​tóng de xiàn​lù.

   The telephone switchboard is responsible for connecting different lines.

   Source: Dong Chinese Dictionary