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The decoloring process is simple and is easy to realize.
而且，脱色工艺方法简单，容易实现。
youdao
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The decoloring reaction is a first order and the iron dissolving is a zero order.
脱色反应为一级反应，铁屑溶解符合零级反应。
youdao
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The decoloring reaction is a first order and the iron dissolving is a zero order.
脱色反应为一级反应，铁屑溶解符合零级反应。
youdao