求翻译：And steel substrate parts of the comprehensive ability.是什么意思？

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和钢衬底部分的综合能力。

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

钢铁基体零件的综合能力。