弱碱性的 meaning in English

alkalescent
faintly alcaline
faintly alkaline
weakly alkaline

Light metals ( aluminum and aluminum alloys , zinc and the like ) , on the other hand , are vigorously attacked by both acids and strong alkalis , so they require cleaning products that are only mildly alkaline , while acids must not be used at all
另一方面，酸和强碱都会剧烈腐蚀轻金属（铝和铝合金、锌等等），因此这类物品的清洁产品只能是弱碱性的，且绝不能用酸。