boiler feeder

例句：

1. 1.The boiler feeder is responsible for feeding coal into the furnace.
   锅炉给煤机负责将煤炭送入炉膛。
2. 2. The boiler feeder was designed to improve the efficiency of the boiler.
   锅炉给煤机的设计目的是为了提高锅炉的效率。
3. 3.The boiler feeder is a crucial component of the boiler system.
   锅炉给煤机是锅炉系统的关键组成部分。