Whereas the process flow of small high efficiency oil removal device requires higher using condition and after filtation the water quality is easy to exceed standard.
而小型高效除油设施体积小，占地面积少，但要求污水含油量在平稳状态下运行，处理后的水质容易超标准。
Through analyzing the exploration practice of petroleum companies in oil and gas, establishes a standard process of risk analysis.
剖析石油儿司反在油气勘探中的实践，树立一个威宽险剖析的尺度步骤。
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