专利补偿器自动调整阀的位置来保持任何流速下的出口压力。
A patented compensator automatically adjusts the valve position to hold constant outlet pressures at all flow rates.
主气压缩机的充气试验、全阀和自动装置的调整。
Charging test and safety valve and automatic device adjusting for main compressor (auxiliary compressor).
主空气压缩机的充气试验，安全阀和自动装置的调整。
Charging test and safety valve and automatic device adjusting for main compressor.
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