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R 开头的英语单词（共 156,943 个）
relay cover
继电器罩
relay cropping
轮种法
relay crosspoint
交叉断电器
relay cupboard
继电器柜
relay current
继电器电流
relay cycle timer
继电器式循环定时器;继电器式周期定时器;周期定时继电器
relay cylinder
继动[传递]油缸
relay damping ring
电器阻尼环
relay decoder
继电译码器
relay deenergized
继电器释放
relay defect
继电器缺陷
relay digital counter
[计] 继电器式数字计数器
relay distress alert
[网络] 转播遇险报警
relay drive
继电器驱动
relay driver
[计] 继电器驱动器
relay driving spring
电器驱动弹簧
relay dump valve
动切断阀
relay duty cycle
继电器工作周期
relay earth station
中继地球站
relay earthquake
接力地震
relay effect
[计] 继电效应
relay electromagnet
继电器电磁铁
relay element
继电器元件
relay emergency valve
紧急继动阀;紧急继动活门
relay end voltage
继电器端电压
relay endurance test
继电器耐久性试验
relay energized
继电器吸起
relay engineering
继电器学
relay equipment
继电设备