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关注：1
2013-05-23 12:21
求翻译：原料预处理、延迟焦化、重油催化、加氢制氢、气体分馏、聚丙烯是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
原料预处理、延迟焦化、重油催化、加氢制氢、气体分馏、聚丙烯
问题补充： |
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2013-05-23 12:21:38
Raw material pretreatment, delayed coking, heavy oil catalysis, hydrogenation and hydrogen gas fractionation, polypropylene
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2013-05-23 12:23:18
Pre-processing raw materials, delayed coking, oil hydrogenation catalysts, hydrogen, gas fractionation processes, polypropylene
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2013-05-23 12:24:58
Raw material pretreatment, delayed coking, heavy oil catalysis, hydrogenation system hydrogen, gas fractionation, polypropylene
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2013-05-23 12:26:38
Raw material pretreatment, delayed coking, heavy oil catalysis, hydrogenation and hydrogen gas fractionation, polypropylene
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2013-05-23 12:28:18
Raw material pretreatment, delayed coking, heavy oil catalysis, hydrogenation and hydrogen gas fractionation, polypropylene
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