The concept of injection surface system and the relevant calculation equations are described.

介绍了注聚地面系统效率的概念和简化计算公式。

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By a field investigation in Block 2, Gudong oilfield, the factors to influence efficiency of injection surface system are analyzed, and the injection pumps are determined as the most important factor.

通过现场调查，分析了影响孤东油田二区地面注聚系统效率的因素，指出主要影响因素为注聚泵系统。

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The Deepwater Horizon operation saw the injection of 771,272 gallons (2,919,582 litres) of dispersant at depth, in addition to the 1,072,514 gallons (4,059,907 litres) used on the surface.

深水地平线钻油平台见证了2919582升化学分散剂注入海底，另有1072514升用在海面浮油的处理上。

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Two injection sites were used: the surface of the small intestine and the hepatic portal vein that connects the pancreas and the liver, where islet transplantation normally is performed.

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The AMOLED screen casing is constructed using a dual-injection molding process and tempered glass and results in a smooth, durable and scratch-proof surface that is aesthetically pleasing and enjoyable to the touch.

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