pressure retaining parts
限压保护部件 FV
压力保持部件 [机] pressure-retaining member
其中，机械系统由试验台架、液压加载泵站、试验介质增压保压装置和传感器等部件组成；
The mechanical system is composed of testing mechanical assembly, hydraulic loading pump station, pressure increasing and holding device for tested media, and sensors.
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