结果表明：铅在蒸馏水、雨水等软水中腐蚀严重，表面生成的白锈基本无保护作用。

The results showed that severe corrosion of lead occurred in soft waters such as distilled water and rainwater.

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结果表明：铅在蒸馏水、雨水等软水中腐蚀严重，表面生成的白锈基本无保护作用。

The results showed that severe corrosion of lead occurred in soft waters such as distilled water and rainwater.

youdao