伺服液压缸 servo cylinder: 伺服缸; 伺服油缸; 伺服唧筒hydraulic servo: 液压伺服机构; 液压伺服系统; 液压助力装置hydraulic cylinder: 水压缸; 液压缸; 液压作动筒; 油唧servo oil cylinder: 伺服油缸electro hydraulic servo loop: 电液伺服回路下载手机词典可随时随地查词查翻译