求翻译：And enhancement coating and steel ferric radical combining capacity.是什么意思？

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和提高涂料和钢铁激进能力相结合。

The operator should inspect strictly whether has the air vent and flows the zinc hole (air vent and flows zinc hole to be supposed for opposite angle), the material quality different, the corrosion degree difference very big treats plates to be supposed to classify carries on the acid pickling, if t

增强涂层和钢制铁基相结合的能力。