Therefore this system is a effective means for developing a hydraulic rock drill.
因此该系统是研制液压凿岩机的重要辅助手段。
Leading energy loss of the flow valve in hydraulic rock drill was analyzed and its formula was presented.
分析了液压凿岩机配油阀的主要能量损失，给出了其计算表达式。
The energy loss of the impact mechanism of hydraulic rock drill greatly affects drilling efficiency when it operates.
液压凿岩机工作时，冲击机构的能量损失对其效率有很大的影响。
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