The reduction temperature had little effect on the bulk structure of catalysts.

还原温度对磷化的工业催化剂的体相结构影响很小；

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Describe structure design of light bulk urea storage house.

介绍一种轻型尿素散装仓库结构设计。

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Describe structure design of light bulk urea storage house.

介绍一种轻型尿素散装仓库结构设计。

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