A test and pressure relief valve should be installed to assure relief of internal pressure prior to servicing and as a visual indication of trap operation.
应该安装一个测试和压力安全阀，确保内部压力能够在维修前得到释放，并作为疏水阀工作的直观显示。
Purpose: To test operation of pressure differential relief valve.
目的：检测差压安全阀的工作性能。
According to the requirements of aircraft maintenance manual related to alkaline valve test, a specified alkaline battery relief valve pressure test equipment has been developed in this paper.
根据飞机维护手册中对碱性电瓶释压阀压力的测试要求，研制成功了一台专用释压阀压力测试仪。
Simulation and cutting test results show that pressure - relief slots efficiently relieves stress and drains out gas and the reasonable shape...
数值分析和开挖试验表明，卸压槽卸压和排放瓦斯作用显著，合理的槽型为两帮竖槽。
Simulation and cutting test results show that pressure- relief slots efficiently relieves stress and drains out gas and the reasonable shape of pressure-relief slots is two-side slots.
数值分析和开挖试验表明，卸压槽卸压和排放瓦斯作用显著，合理的槽型为两帮竖槽。
Simulation and cutting test results show that pressure- relief slots efficiently relieves stress and drains out gas and the reasonable shape of pressure-relief slots is two-side slots.
数值分析和开挖试验表明，卸压槽卸压和排放瓦斯作用显著，合理的槽型为两帮竖槽。
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