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: Abstract: The characteristcs of melt-spurt polypropylene fibre sieve-core was a nalyzed.The process condition of filtration and reverse-wash of sieve-core on base of experience was studied.
中文: 文摘:分析了熔喷聚丙烯纤维滤芯的特点，并在实验基础上对其过滤与反洗的工作条件进行了初探。
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英文: Adhesivity of Polypropylene Series Size and the Size Mixture;
中文: 聚丙烯类浆料与混合浆料的粘着力
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