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Hydrogen is also useful in the food industry for a process know as hydrogenation.
氢在食品工业中对于所谓的氢化过程也很有用。
youdao
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The operation of coking gasoline hydrogenation plant is difficult.
汽油加氢装置运行难度大，需在生产中摸索经验。
youdao
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The operation of coking gasoline hydrogenation plant is difficult.
汽油加氢装置运行难度大，需在生产中摸索经验。
youdao