nozzle arc

例句：

1. 1. The nozzle arc of the laser is responsible for cutting through the material.
   激光的喷嘴弧负责切割材料。
2. 2. The nozzle arc on the printer is a critical component for printing quality.
   打印机上的喷嘴弧是打印质量的关键部件。
3. 3. The nozzle arc in the welding torch is crucial for achieving good welding results.
   焊接枪中的喷嘴弧对于获得良好的焊接结果至关重要。