π桥液阻网络理论与π桥溢流阀性能研究

胡燕平;魏建华;吴根茂;邱敏秀

RESEARCH OF π BRIDGE HYDRAULIC RESISTANCE NETWORK THEORIES AND TIE PILOT RELIEF VALVE WITH π BRIDGE NETWORK

Hu Yanping Wei Jianhua;Wu Genmao;Qiu Ivlinxiu

. 1999, (2): 28 -32 .