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The forming expanding agent is a mixture of basic cupric zinc carbonate and aluminum hydroxide, and the copper-based catalyst comprises oxides of cupric, zinc and aluminous.
所述成型扩孔剂为碱式碳酸铜锌和氢氧化铝的混合物，所述铜基催化剂包含铜、锌、铝的氧化物。
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