去污 descale 或者cleaning
除锈 remove rust 或者get rid of rust或者derusting
钝化[冶]passivate [化]inactivate
不锈钢 stainless steel
防锈膏 antirusting grease
铝合金aluminium alloy
洗钢水 Cleaning Agent/solution for Stainless Steel
Go to dirty divided by the rust bluntness turn to defend the rust 膏
The stainless steel aluminum metal alloy bluntness turns( verb)
Wash the steel water
不锈钢:stainless steel
钝化:inactivation
去污:cleaning
除锈:antirust