maximum working temperature

例句：

1. 1.The engine operates at its maximum working temperature.
   发动机在最大工作温度下运行。
2. 2. The machine is designed to operate at the maximum working temperature.
   这台机器设计成在最大工作温度下运行。
3. 3. The heat exchanger operates at its maximum working temperature.
   热交换器在最大工作温度下运行。