hoop-drop relay 落弓式继电器
drop fault indicator relay 吊牌式故障指示继电器 ; 吊牌式障碍指示继电器
relay drop 继电器吊牌
voltage drop compensation directional relay 压降补偿式定向继电器
drop indicator relay 掉牌继电器
slow to drop out relay 延时断开继电器
If the load resistor was connected directly across the voltmeter input terminals, the current through the relay contacts would cause a voltage drop and the measured cell voltage would be in error.
如果负载电阻被直接连接到伏特计的输入端子，通过继电器触点的电流会产生电压降，测得的电池电压将存在误差。
The contact voltage-drop of counterpart contacts in the closing course of electromagnetism relay is observed and recorded in its failure test using dynamic contact resistance measurement system.
用动态接触电阻测量系统进行了电磁继电器失效检测试验，检测了其触点闭合过程的接触压降。
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