摘要
本文对各种零件号打印方法进行了分析比较，认为采用电化学方法来打印飞机零件号最为合理，并介绍了电化学深蚀刻加工工艺。
In this paper several methods for marking parts are presented and analyzed. It is concluded that electrochemical method for marking parts of planes is the most rational. The process Of deep etching of electro-chemistry is introduced.
