engineering train

例句：

1. 1. The engineering trainis scheduled to arrive at the station at8:00 AM.
   工程列车计划在上午8点到达车站。
2. 2. Theengineers are responsible for designing and maintainingthe engineering train.
   工程师负责设计和维护工程列车。
3. 3. The engineering train is a crucial componentof the transportation system.
   工程列车是交通运输系统的重要组成部分。