The design and construction of YH200-JN submergble and hydraulic big loading arms for light and heavy oil are reasonable and reliable.

JN型浸没式内液压轻油大鹤管和高位重油大鹤管的设计、制造是合理的、可靠的。

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Considering the high contents of olefins and nitrogen, the whole fraction of delayed coker distillates (including light and heavy naphtha, gas oil) must be hydrotreated.

延迟焦化馏出油(包括汽油、柴油及蜡油)的烯烃含量和氮含量高，必须进行加氢精制。

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This paper briefly introduces the performance and price of Light fuel oil, and heavy fuel oil, and compares the difference of which in combined cycle powerstation.

简要介绍了轻油与重油的性能和价格，并比较了燃用轻油与燃用重油的联合循环电站之差异。

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Light sweet crude is depleting quickly, and now the industry is going after heavy crude and tar sands and thermally enhanced oil.

CNN: Ethanol: Is it friend or foe?