bumper milling machine

例句：

1. 1. This is a high-precision impact milling machine used for precision machining.
   这是一台用于精密加工的高精度冲击式铣床。
2. 2.The engineers developed a new design for the bumper milling machine to improve efficiency.
   工程师们为冲击式铣床开发了新的设计，以提高效率。
3. 3.The bumper milling machine is widely used in the manufacturing industry for its ability to handle complex shapes and sizes.
   冲击式铣床在制造业中被广泛使用，因为它能够处理复杂的形状和尺寸。