... variable displacement motor；可变排量的马达 variable displacement piston pump；可变排量的柱塞泵 variable displacement pump；可变排量泵 ...
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variable displacement axial piston pump 可变排量的轴向柱塞泵
piston variable displacement pump 变量柱塞泵
In chapter 2, design general technical concept of the variable displacement piston pump performance test system.
第2章提出了变量柱塞泵性能测试系统的总体技术方案。
参考来源 - 变量柱塞泵性能测试系统研制·2,447,543篇论文数据，部分数据来源于NoteExpress
The main content is as follows: 1. The supporting way of the axial variable displacement piston pump is researched.
论文主要完成以下研究内容：1。对轴向变量柱塞泵的支撑方式进行了研究。
At the present, the key technology of the axial variable displacement piston pump is grasped by the foreign companies, the research and manufacture level in our country are on the elementary stage.
目前，轴向变量柱塞泵的关键技术掌握在国外公司手中，国内的研究、生产、制造均还处于初级阶段。
At present, digital variable displacement axial piston pump has some problems.
目前，数字变量轴向柱塞泵还存在着很多问题。
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