以下为句子列表：
英文: Combining application in engineering project of Guqiao coal mine, such research about polypropylene fibre concrete shotcrete layer, taking into consideration a spectrum of technical factors as endurance, penetration-proof quality, economy and construction
中文: 结合顾桥矿工程应用，从耐久性、抗渗性、经济性和施工技术等方面系统地研究了聚丙烯纤维混凝土喷层的性能。
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英文: Commerical test indicating the polypropylene fibre concretes shotcrete layer has very high value and vast development foreground of application.
中文: 工业性试验表明，聚丙烯纤维混凝土喷层具有较高的推广应用价值。
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英文: The polypropylene fibre concrete is the new kind of concrete flexible shotcrete layer forms in the soft rock tunnel sup-porting engineering.
中文: 摘要聚丙烯纤维混凝土柔性喷层是软岩巷道支护中一种新型的喷层形式。
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