three times overload relay

例句：

1. 1.The truck was overloaded with heavy boxes.
   这辆卡车被沉重的盒子压得过重了。
2. 2. Overloading the system can lead to crashes.
   过度加载系统可能会导致事故。
3. 3.The workload is too much for her to handle at once.
   她的工作量太大，一时难以应对。