fitter's hammer

例句：

1. 1. He used his fitter's hammer to remove the nail.
   他用铁锤把钉子取了下来。
2. 2. The carpenter was using a fitter's hammer to shape the wood.
   木匠正在用铁锤修整木材。
3. 3. The fitter's hammer is essential for shaping metal.
   铁锤对于金属成型至关重要。