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1·The heavy crude production in China has increased constantly in recent years.

近年来我国重质原油产量不断增加。

2·But Iran's oil is heavy crude and we have only one heavy crude refinery in our country.

但是，伊朗的石油是重质原油和我们只有一个重质原油的炼油厂在我国。

3·The emulsifying viscosity-reducing experiments of Wangzhuang heavy crude oil are performed.

针对胜利油田王庄稠油黏度大、开采难的问题，对其进行了降黏实验研究。

4·So the oil sand's oil is heavy crude oil with high nitrogen, high wax, high gel and low sulfur.

该油砂油是一种高含氮、高含蜡、高含胶、低含硫的重质原油。

5·Rheological property of heavy crude with high viscosity in east area of Gudao oilfield is studied.

对孤岛油田东区重质高粘原油渗流流变性进行了研究。

6·There are not many countries, or many refineries in the world that can handle heavy crude oil from Venezuela.

世界上能处理委内瑞拉原油的国家和炼油厂并不多。

7·The improved mobility ratio and the adjusted cut plane by the emulsion enhanced the heavy crude recovery efficiency.

乳状液的形成改善了流度比，调整了注采剖面，提高了稠油采收率。

8·This paper presents structures and mechanisms of heavy crude pump and its main technical parameters and applicability.

介绍了抽稠泵的结构及工作原理，给出了其主要技术参数和适应范围。

9·Heavy crude oil will cover a larger proportion of petroleum trade in our country with the consuming of light crude oil.

随着中轻质原油可利用量的逐渐减少，稠油在我国石油行业中所占的比例越来越大。

10·A new surfactant heavy crude oil sulfonates (HCOS) was synthesized from Daqing Heidimiao oil with fuming sulfuric acid.

以大庆黑帝庙稠油为原料，发烟硫酸为磺化剂，合成了稠油磺酸盐。