And oil degradation polar area is very slow for perennially low temperature there.
由于这些地区常年处于低温状态,石油烃的自然降解非常缓慢.
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These firms account for most refining, distribution and fuel sales in China.
这两家公司负责中国石油的生产, 分配及销售.
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就业优势: 道达尔公司(TOTAL)是享誉全球的跨国公司, 全球第4大上市石油公司.
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中国正在正式允许外国企业进入其一度严密控制的石油零售市场.
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There is much more powder in the retard petroleum coke, which leads to low actual yield.
由于延迟石油焦原料的粉料较多, 导致在回转窑煅烧工艺过程中实收率降低.
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As cement retarder , the effect of desulphurize ashfuel oil ( DADFO ) was studied here.
研究了石油焦脱 硫 灰渣用作水泥缓凝剂对水泥性能的影响.
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Political considerations are now encouraging a rethink of centralised structures.
政治上的考虑,目前正促使石油企业重新思考集权式的结构.
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And forecast return on equity , at per cent, is substantially below Exxon Mobil's 32 per cent.
预计中石油的净资产收益率为23%, 远低于埃克森美孚32%.
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Pollutants reach sea from adjacent shorelines, from ships, and from offshore oil platforms.
污染物从附近的海岸线 、 轮船以及近海石油平台流入大海.
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