gas etching

例句：

1. 1. The gas etching process is used to create intricate designs on metal surfaces.
   气体蚀刻工艺用于在金属表面创建复杂的设计。
2. 2. This technique is commonly used in the manufacturing of jewelry, where it adds a unique texture to the finished product.
   这种技术常用于制造珠宝，为成品增添独特的纹理。
3. 3. During the gas etching process, the metal is exposed to a chemical solution that reacts with the surface to remove it.
   在气体蚀刻过程中，金属暴露在一种化学物质溶液中，该溶液与表面反应以去除它。