crude gas

基本解释

The first was based on crude gas by the color yellow into blue and white;
第一就是根据粗煤气的颜色由黄色变为蓝白色；
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The crude oil gas in our country is discharged into air directly, which not only wastes the energy, but also pollutes the atmosphere.
油田大量的原油挥发气一直都被直接排空处理，既浪费了大量的能源，又造成了严重的环境污染。
Through the comparison with the old NGL plant, the new one's lower recovery rate is in gear under the lower content of ethane in the crude gas. But the level does not match to its capability.
通过对比中原NGL的改扩建装置与老装置，认为NGL的乙烷收率在原料气中乙烷含量较低的情况下达不到设计值是正常的，但新装置远没有发挥应有的能力。

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