two element relay 二元继电器
time element relay 延时继电器
double element relay [电] 二元继电器
single element relay 一元继电器单元件继电器
two-element relay 二元継电器
relay two-element 二元替续器
relay time element 时速替续器
time-element relay 时限元件继电器
relay single-element 单元替续器
One basic requirement to starting element of relay protection is that it has high sensitivity and can reflect all kinds of faults.
对继电保护启动元件的一个基本要求是能反映各种故障，并且灵敏度要高。
It was suitable to be used in ASEA type high power relay as the elastic element of insert-pull pieces.
它特别适用于大功率ASEA型继电器接插件，也可用于其他弹性元件。
The circuit breaker after getting command from the protective relay, disconnects only the faulted element.
从后得到的保护继电器命令断路器，只有断开故障因素。
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