This carbon dioxide - the same gas that makes fizzy beverages corrosive – is altering the oceans' alkaline-acid balance, known as pH.

二氧化碳——和让饮料滋滋响的同一类气体——正在改变海洋的酸碱平衡，也就是通常说的ph值。

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When PTFE washers are used in systems using water-reactive acidic or basic gases, their moisture can cause the formation of corrosive acids or alkaline liquids in the system.

当PTFE用于使用可以同水反应的酸性或碱性气体气体的系统时，它们的水蒸汽会在系统内导致腐蚀性酸性或碱性液体的生成。

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PC board is not resistant to acid and alkali, and not with alkaline or corrosive substances stored in together, because of the PC board will react with the chemicals as plate surface corrosion.

而且PC板不耐酸碱，切勿与碱性或腐蚀性物质贮存在一起，因为PC板会与这些化学物质发生化学反应致使板材表面腐蚀。

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