... return system low pressure oil；回油系统低压油 return system pressure；回油系统压力 return test；回程测试 ...
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If the increased pressure is caused by thermal expansion, the pressure will immediately be relieved and the system will return to the set pressure.
如果压力增加，则说明原因就是热膨胀，此时要立即释放压力，让系统恢复到设置压力上。
When the pressure transients occur in low pressure pipelines such as the suction lines of pumps or the return lines of a hydraulic system, gas bubbles and cavitation will occur inside the fluid.
当压力脉动发生在液压泵的吸油管路或液压系统的回油管路等低压管路中时，会引起气泡和气穴的产生及破灭。
Discussed the pump pressure, installation of the balance valve and the design effectiveness of reversed return water system.
对水泵压力、平衡阀的设置、系统同程设计的有效性等作了初步的讨论。
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