operating stress

例句：

1. 1. The operating stress of the machine is too high, which may cause damage to the machine.
   机器的操作压力过高，可能会损坏机器。
2. 2. The operating stress of the bridge is very high, and it needs to be monitored regularly.
   桥梁的操作压力非常高，需要定期监测。
3. 3. The operating stress of the pipeline is also a concern for the maintenance team.
   管道的操作压力也是维护团队的一个关注点。