auxiliary steam

例句：

1. 1. The auxiliary steam generator is responsible for generating the necessary power for the machine.
   辅助蒸汽发生器负责为机器提供必要的动力。
2. 2. During the manufacturing process, auxiliary steam is used to heat up the metal until it reaches the desired temperature.
   在制造过程中，辅助蒸汽被用来加热金属直到达到所需的温度。
3. 3. The auxiliary steam system is designed to provide additional heating capacity during cold weather conditions.
   辅助蒸汽系统设计用于在寒冷天气条件下提供额外的加热能力。