English to Chinese Tech/Engineering Chemistry; Chem Sci/Eng

Proper cleaning is an essential ingredient to any successful finishing operation. The majority of plating failures are the result of improper cleaning and activation cycles. ***Consistent and unsuccessful*** plating is achieved when cleaner selection and operating conditions have been given the same consideration as the plating process. Once the proper cleaning cycle has been determined, the finishing process can proceed with confidence.
不太能够理解一致但是不成功的电镀是什么意思，感觉这样翻译看着有点一头雾水的感谢，谢谢。