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Additionally it is used as wetter in glass etching and acid bath for metal surface.
在玻璃蚀刻过程中作润湿剂，在金属表面处理酸浴过程中作润湿剂。
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Normally for bulk glass, etching increases the strength.
对于块状玻璃，腐蚀通常都使强度提高。
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Normally for bulk glass, etching increases the strength.
对于块状玻璃，腐蚀通常都使强度提高。
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