... 定比减压阀 Proportionging pressure reducing valve 定差减压阀 Fixed differential reducing valve 先导式减压阀 Pilot-operated reducing valve ...
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它由定差减压阀，液动换向阀和简式节流阀三部分组成。
It is certainly worse by the pressure reducing valve , hydraulic throttle valve and the short form of three parts.
在原有PCM流量控制阀组中加上一个定差减压阀，使压力差近似保持定值。
An invariableness pressure decompression valve is added to common PCM to keep pressure discrepancy invariable approximately.
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