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在具体的液压系统中，根据工作需要，对压力控制的要求是各不相同的：有的需要限制液压系统的***压力，如安全阀；有的需要稳定液压系统中某处的压力值（或者压力差、压力比等），如溢流阀、减压阀等定压阀；还有的利用液压力作为信号控制其动作，如顺序阀、压力继电器等。代理品牌销售；台湾登胜 华德 力士乐 阿斯卡 大金 小金井. 油研 新益 七洋 亚德客 安颂 气立可 全懋 东峰 福南 海特克 君帆 凯嘉 康百世 泰炘 台辉 台肯 峰昌 镒圣 新鸿 马祖奇 立新 油田 不二越 油顺 旭宏 澄胜 费斯托 美国派克 美国丹尼逊 美国威格士.日本TOYOOKI丰兴.日本CKD.意大利SIRA电磁阀 意大利UNIVER电磁阀 意大利CEME电磁阀等等