It's very important for some petroleum machinery(e. g. drilling rig and pumping unit) to carry on reliability analysis and design of the system of the narrow V type belt drive.
开展窄V带传动系统可靠性分析与设计对于提高钻机、抽油机等石油钻采机械的质量和效益具有重要意义。
Examples of low temperature waste heat utilization in Dalian Company are introduced, e. g, heat integration between unit and unit, units and system utilities, system and system as well.
介绍了大连石化分公司低温余热利用的几个实例，包括装置与装置之间的热联合、装置与系统公用工程之间的热联合及系统与系统之间的热联合等。
Examples of low temperature waste heat utilization in Dalian Company are introduced, e. g, heat integration between unit and unit, units and system utilities, system and system as well.
介绍了大连石化分公司低温余热利用的几个实例，包括装置与装置之间的热联合、装置与系统公用工程之间的热联合及系统与系统之间的热联合等。
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