Thermal recovery boiler, the key equipment of heavy crude extraction, is a direct current horizontal boiler.

热采锅炉是热力开采稠油的关键设备, 为卧式直流锅炉.

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K 331 thermosensitive metal expanding packer is an important tool used in thermal recovery of heavy oil.

K331型热敏金属扩张式封隔器是稠油热采中的一种重要工具.

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There are technical and economical hazards in thermal recovery of this type of reservoirs.

这类稠油油藏注蒸汽开采,在技术和经济上存在很大的风险性.

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