以下为句子列表：
英文: A comparison of the polypropylene decomposition results with the different catalysts showed that composite catalysts had better catalytic results for the pyrolysis of the polypropylene.
中文: 通过比较几种不同催化剂的催化结果发现，复合催化剂有更好的催化效果。
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英文: A kind of drainage material consisting of a white polypropylene channel-shaped core surrounded by a gray long-fiber hot-bonded non-woven filter fabric, with metal conductor inside for measuring the driven depth.
中文: 灰色长纤维热粘无纺布滤膜包裹（通过粘合）白色聚丙烯槽型芯板组成的排水材料，内装配金属电子导线用于测量打设深度。
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英文: A polypropylene patch or screen covers the hernia completely and is tension-free.
中文: 图3用一张聚丙烯网片覆盖在缺损部位之上，完全没有张力。
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英文: About design programs of propylene tower post weld whole heat treatment, we have made analyses and compare from the various technical and economic aspects, and in vertical state of large pressurized vessel, we propose to adopt the internal combustion heat
中文: 摘要围绕丙烯塔焊后整体热处理的各种设计方案，从技术、经济等方面进行分析对比，提出对超大型压力容器，立置状态下宜采用内燃法热处理；卧置状态时宜采用高温烟气法热处理，并提出将中心燃烧管法作为今后技术发展方向的见解。
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英文: “Baishen” mosquito-repellent incense which is environmental-protection and produced by our company is top grade in the mosquito-deracinating incenses and have the functions of safety and specially good effect, refined by selected high quality propylene ch
中文: 企业生产的“百神”牌环保型蚊香，是灭蚊之佳品，选用优质的新一代丙烯菊脂及中草药精制而成，具有安全、特效之功能。
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