| 1. | In contact with a hot surface, naphtha petroleum fractions crack to produce ethylene and propylene .
石脑油馏份与一个热表面接角，就裂解而得到乙烯和丙烯。
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| 2. | 600 v grade ethylene - propylene rubber insulated cables
600 v等级乙丙烯橡胶绝缘电缆
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| 3. | Standard specification for propylene glycol monomethyl ether
丙二醇甲基醚的标准规范
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| 4. | Specification for propylene copolymer pressure pipe
丙烯共聚物承压管规范
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| 5. | Ethylene propylene rubber compounds - specification
乙丙橡胶化合物.规范
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| 6. | Rubber , ethylene - propylene - diene - evaluation procedure
乙烯-丙烯-二烯烃橡胶epdm评价方法
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| 7. | Standard guide for analysis of propylene concentrates
丙烯提浓物的分析
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| 8. | Designation of polypropylene and propylene copolymer materials
聚丙烯和丙烯共聚物材料命名
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| 9. | Food additive - sucrose fatty acid ester method of propylene glycol
食品添加剂蔗糖脂肪酸酯
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| 10. | Chemical analysis of propylene . determination of water traces
丙烯的化学分析.水痕量的测定
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