water-source heat pump unit 水源热泵机组
skid-mounted pump unit 装在滑橇座上的泵装置
accumulator pump unit 储能器□机泵装置
turbo-pump unit 涡轮泵机组
Motor-pump unit 水泵电动机机组
hydraulic pump unit 液压泵装置
pump-unit 泵装配 ; 泵组
heat pump unit 热泵机组
In the end, based on the development of the CAD system for the Dual Horsehead Pump Unit, we finished the design of the Dual Horsehead Pump, type CYJ145, and the test to its CAD system.
最后根据开发的双驴头抽油机CAD系统软件,完成了对CYJ145型双驴头抽油的设计,同时也完成了对该CAD系统软件的测试。
参考来源 - 双驴头抽油机CAD系统研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Foreign advanced pump unit, efficiency can exceed 90%.
国外先进的水泵机组，效率可超过90%。
Centrifugal pumps are used usually as pump unit in crude oil transportation engineering.
在原油输送工程中，常用离心泵作为原油输送泵组。
The experiments for different airflow were conducted on an air-to-water heat pump unit and discussed.
采用试验方法研究了风量变化对中大型风冷热泵机组结霜工况性能的影响。
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