如果告警灯还是亮的，那就有可能是是告警灯电路发生短路。
If the light remains on, there is probably a short in the warning light circuit.
这次事故是由电路短路引起的。
该电路不但降低了功率损耗，还具有短路保护和互锁保护等电路保护功能。
The circuit has many functions of protection, such as short circuit protection and interlocked protection.
该电路不但降低了功率损耗，还具有短路保护和互锁保护等电路保护功能。
The circuit has many functions of protection, such as short circuit protection and interlocked protection.
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