retransmission unit

例句：

1. 1. The transmission line isdesigned to handle high-speed data transmission.
   传输线路设计用于处理高速数据传输。
2. 2. Thecompany's new retransmission unithas significantly improved the network's reliability.
   该公司的新重传单元已显著提高了网络的可靠性。
3. 3. The engineers were tasked with designing a more efficient retransmission unit for the new router.
   工程师们被指派为新路由器设计一个更高效的重传单元。