各位大虾给翻译下吧？ there is the potential for catastrophic decomposition of ethylene in the purification train as a result of（由于） runaway polymerization resulting from high bed temperature. 由床层温度高引起的聚合失控存在导致净化底物中乙烯剧烈分解的潜在可能性。 查看更多
say from 70%~99%--------怎么翻译? (常用作插入语)比如说,例如;估计;约摸 eg. you may learn to play the violin in, say, three years.你可以,比如说,在三年内学会拉小提琴。 there were, say, 500 people present.大约有500人出席 a woodwind, say an oboe.木管乐器，比如说双簧管查看更多
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