acid cleaning fihn formation的用法和样例：
- 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.
- Experiements of application of pickling control agent in online acid cleaning of flushing ash pipeline were introduced.
- It also suggests some ways to improve the techniques of acid cleaning, bonderizing, annealing and deformation.