The problems in the exploitation of such reservoirs are that the high viscosity leads single well to low productivity, and the sand production is also high, affecting the normal production.
此类油藏开采中存在的问题是原油粘度高导致单井产能低，而且极易出砂，影响正常生产。
Results The blood viscosity was significantly higher in type 2 diabetic patients compared with that in normal controls.
结果2型糖尿病患者血液呈明显高粘高聚状态。
It is clear that in many engine oil samples, the viscosity index is significantly different from the normal range.
很显然，许多发动机油样品中，粘度值明显不在正常范围内。
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