求翻译：不得与酸、碱、盐、水泥等对钢材有侵蚀性的材料堆放在一起。不同品种的钢材应分别堆放，防止混淆，防止接触腐蚀是什么意思？

Shall not be aggressive on the steel with acid, alkali, salt, cement and other materials stacked together. The different varieties of steel should be stacked separately to prevent confusion and to prevent contact corrosion

Cannot be combined with acids, alkalis, salts, cement, steel for the material with an aggressive stacked together. Different varieties of steel should be stacked separately, to prevent confusion and to prevent contact with corrosive

Must not with the acid, the alkali, the salt, the cement and so on have the corrosive material to the steel products to pile up in together.The different variety steel products should pile up separately, prevent the confusion, prevents the contact corrosion

Not with acid, alkali, salt, cement and other materials on corrosion of steel piling up together. Different varieties of steel piling up, respectively, to prevent confusion, prevents contact corrosion

正在翻译，请等待...