differential-acting steam hammer

例句：

1. 1. The differential-acting steam hammer is used to remove rust from metal surfaces.
   差动式蒸汽锤用于从金属表面去除锈。
2. 2. The differential-acting steam hammer has been proven to be more efficient than traditional methods.
   差动式蒸汽锤已被证明比传统方法更有效。
3. 3.The differential-acting steam hammer was developed to improve the quality of metal cutting processes.
   差动式蒸汽锤被开发出来，以提高金属切割过程的质量。