acid cleaning fihn formation的用法和样例：
- The passivess of Boiler by hydrogen peroxide after acid cleaning was studied.
- A study on the acid cleaning process of the oxide skin on carbon steel has been made with potential tracing.
- Be responsible for the inspection of piping tightness test, pressure test, strength test, zincification, acid cleaning.
- It also suggests some ways to improve the techniques of acid cleaning, bonderizing, annealing and deformation.