More than 80% of crude oils produced in China are the high-pour-point waxy crude or the viscous heavy crude with poor flow ability.

我国所产原油80%以上为流动性较差的高凝含蜡原油和高粘重质原油。

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The studied results indicate that both crude oils and mixed oils in BZ 28-2S oilfield group are medium oil with sweet, low acid, high wax content and high pour point;

研究结果表明：渤中28-2南油田群原油及其混合原油均为低硫、低酸、高含蜡、易凝的中质原油；

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The studied results indicate that both crude oils and mixed oils in BZ 28-2S oilfield group are medium oil with sweet, low acid, high wax content and high pour point;

研究结果表明：渤中28-2南油田群原油及其混合原油均为低硫、低酸、高含蜡、易凝的中质原油；

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