metal vapor laser

例句：

1. 1.The laser is used to cut through metal and glass.
   激光用于切割金属和玻璃。
2. 2. The metal vapor laser was developed to improve the efficiency of cutting processes.
   金属蒸汽激光器的开发旨在提高切割过程的效率。
3. 3. The laser is a powerful tool that can be used for various applications in manufacturing and engineering.
   激光是一种强大的工具，可以在制造业和工程中用于各种应用。