The breech lock closure type heat exchanger is characterized by reliable sealing performance, easy dismantling and assembling, high utilization ratio of heat exchange area and small grounding.
螺纹锁紧环换热器具有密封性能可靠，拆装方便，换热面积的利用率高，结构紧凑，占地面积小等特点。
Intermittent steam injection can increase the specific volume, swept volume and utilization ratio of heat, and can improve formation of seepage in oil reservoir so as to improve flooding effect.
间歇注汽法可提高蒸汽比容，提高蒸汽波及体积和热利用率，改善油层渗流特征，达到改善驱油效果的目的。
If the residual heat with different temperatures is recovered by different appropriate techniques, it will surely save much more energy thus to improve the total energy's utilization ratio.
对这部分不同温度的余热采用不同的技术进行回收，可以节省能源，提高能源总利用率。
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