以下为句子列表：
英文: Abstract: The test results of fly ash concrete were introduced.The optimum content of fly ash in concrete was determined.
中文: 文摘:介绍了粉煤灰砼的试验成果及在工程应用中的最佳掺量、最佳超量系数，为粉煤灰砼在寒区堤防护坡中的应用提供了科学数据。
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英文: [The summary ] Every performance of this text to high-performance concrete of fly ash has done detailed research, and to the concrete respectively to person who mix of fly ash Kinds of influence of performance and fly ash concrete some questions that shou
中文: 摘要］本文对粉煤灰高性能混凝土的各项性能作了详细的研究，并针对粉煤灰的掺入量对混凝土各种性能的影响以及粉煤灰混凝土在施工中应注意的一些问题进行了分析和探讨。
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英文: Application of High-Performance Superfine Fly Ash Concrete in Precast Railway Units
中文: 超细粉煤灰高性能混凝土在铁路预制构件中的应用
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