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C. pressure regulating device into automatic pressure regulating device and its principle analysis.
将手动直流调压装置改造为自动调压装置及原理分析。
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The hydraulic power motor has pressure regulating device.
液压马达具有压力调节装置。
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The hydraulic power motor has pressure regulating device.
液压马达具有压力调节装置。
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