relay mechanics

例句：

1. 1. The relay mechanics were responsible for the safe transfer of the baton from one athlete to another.
   接力机械师负责将接力棒从一位运动员传到另一位运动员。
2. 2.In the event of an emergency, the relay mechanics must quickly assess the situation and make decisions.
   在紧急情况下，接力机械师必须迅速评估情况并做出决定。
3. 3.The relay mechanics ensured that the game was played smoothly and efficiently.
   接力机械师确保比赛顺利进行和高效进行。