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针对目前国内电液锤液压系统在使用中存在的问题，提出和研制了一种新型液压控制系统和主要控制阀。通过对该系统进行理论分析和实验研究，表明该系统具有良好的性能和应用前景。
Aiming at the existing problems in the use of electrohydraulic hammer hydraulic system in our country, a new hydraulic control system and main control valve are proposed and developed. Through the theoretical analysis and experimental research on the system, it shows that the system has good performance and application prospects.