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，填料指装于填充塔内的惰性固体物料，例如鲍尔环和拉西环等，其作用是增大气-液的接触面，使其相互强...
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《固定资产投资项目可行性研究报告》主要是通过对项目的主要内容和配套条件，如市场需要、资源供应、建...
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本年度报告摘要来自年度报告全文，为全方面了解本公司的经营成果、财务情况及未来发展规划，投资者应当...
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聚丙烯作为一种热塑性塑料，拥有非常良好的耐腐的能力，耐热性，轻质高强及良好的加工性。由于这些特性...
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快科技11月23日音讯，荣耀今晚正式对外发布了荣耀100系列，新机立异选用广域不锈钢VC散热，带...
