electric etching

例句：

1. 1. The process of electric etching is widely used in the manufacturing industry.
   电蚀过程在制造业中广泛应用。
2. 2.This type of etching is particularly useful for creating intricate designs on metal surfaces.
   这种蚀刻特别适合在金属表面上创建复杂的设计。
3. 3.The electric etching process has been shown to improve the quality and precision of printed circuit boards.
   电蚀工艺已被证明可以提高印刷电路板的质量与精度。