Containing block vertical constraint. A left float box's top margin edge may not be higher than the containing block's top padding edge.
包含块的垂直限制：左浮动框的上marginedge不能高于包含块的上padding edge。
Down stream anaerobic biological filter where waste-water poured from top was used as anaerobic processing device in which bacteria colloid was found on padding in biological membrane form.
厌氧处理装置使用下流式厌氧生物滤池，其中菌胶团以生物膜的形式附着在填料上，进水从反应器顶部注入。
Therefore, we need to specify less padding for the top and bottom sides if we want it to be perceived as being the same.
因此，如果我们希望四边的内边距看起来是基本一致的，就需要减少顶部和底部的内边距。
Therefore, we need to specify less padding for the top and bottom sides if we want it to be perceived as being the same.
因此，如果我们希望四边的内边距看起来是基本一致的，就需要减少顶部和底部的内边距。
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