The petroleum and chemical industries use condensers for hydrocarbons and other chemical vapours.

石油化学工业中用冷凝器使烃类及其它化学蒸气冷凝。

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In recent years, Advanced Control has many applications in the petroleum and chemical industries.

近些年，先进控制来在石油、化工行业得到很多的应用。

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It has been widely used in machinery, pharmaceuticals, foodstuffs, petroleum and chemical industries.

它被广泛应用于机械、制药、食品、石油化工等行业中。

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"We don't know if chemical and petroleum industries in the region have survived, " she said during a conference call that included Health and Human Services Secretary Michael Leavitt and Surgeon General Richard Carmona.

CNN: Officials: Chemicals bigger concern than cholera