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- primary pump variable volume 一次泵变流量
- secondary pump variable volume 二次泵变流量
- primary pump variable flow rate 一次泵变流量
- Analyses and confirms the practicability of variable water flow operation for the primary pump system, and illustrates its obvious energy saving effects. 分析了一级泵系统实现变流量运行的可行性,并通过实例说明了其显著的节能效果。
- Fixed-loop and variable volume devices operated manually or by an auto-sampler are used. 使用固定环，手动的可变容积装置，或自动取样器。
- So there will be good marketing adaptability and the great developing potentiality for the using of the digital-scroll compressor in the variable volume system. 在变容量系统中数码涡旋压缩机的使用具有良好的市场适应力和广阔的发展潜力。
- primary pump system with variable flow rate 一次泵变流量
- The defects at the welding areas of blades of working impellers of primary pump connecting the cover plate have been found during pre-service inspection of Unit 1 at JNPC. 江苏核电有限公司在对1号机组进行役前检查时．发现主泵工作叶轮的叶片端面与盖板连接处的焊接区域有缺陷。
- It is characterized by a series of features such as the design of the biological selector in the reactor , operation in variable volume manner and the simultaneous nitrification and denitrification. 它以设置生物选择器、运行容积可变及实现同步硝化和反硝化为其工艺特征，从而具有一系列的优点。
- A primary pump directs the meltwater from the borehole into the drill, and a secondary pump sends the meltwater up the tether to the surface for analysis. 主要的帮浦会将凿孔内的融冰导入钻井机中，而次要的帮浦则是将融冰藉由缆绳向上传送到地表，以供分析。
- Energy saving control of variable chilled water flow in primary pump systems 一次泵系统冷水变流量节能控制研究
- SWV system of chillcrs with the primary pump 一次泵冷机变流量系统
- VWV system of chillers with the primary pump 一次泵冷机定流量系统
- Research on variable volume control mode in central air-conditioning system 中央空调系统变流量控制方式探讨
- Design on chilled water primary pump system with variable flow rate in refrigeration station 制冷站冷冻水一次泵变流量设计探讨
- The disease is still in its primary stage. 这疾病仍然在初发阶段。
- Discussion on Energy Efficiency of Primary Pump System with Variable Flow in Air Conditioning 浅谈空调变流量一次泵系统的节能
- The little boy left primary school at eleven. 这个小男孩十一岁时小学毕业。
- Analysis and Application of Chilled Water Systems With Primary Pump 一次泵系统技术分析及应用
- Sure. We are friends since primary school. 当然，我们从小学就是朋友了。
