The charger shall give an alarm signal upon failure initiated by either an under-voltage relay or a zero charging current relay.
充电器应发出警报信号后没有任何一方发起一个欠压继电器或零充电电流继电器。
This thesis is based upon the design of relay protection device applied in the QingHai-XiZhang electrification railway, which is a project developed by our research group.
本文以在青藏线铁路电气化工程实际项目中用到的馈线保护装置的设计为背景展开的。
The gauge relies upon a sensor in the tank to relay the fuel level.
油表靠油箱里的感应器来显示燃料的液位。
The gauge relies upon a sensor in the tank to relay the fuel level.
油表靠油箱里的感应器来显示燃料的液位。
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