ELCB or GFCI device with trip load of no more than 30 milliamp will be fitted and fully operational.
有故障的设备不可,要报告给监护人员准备维修或者取走不
。
ELCB or GFCI device with trip load of no more than 30 milliamp will be fitted and fully operational.
有故障的设备不可,要报告给监护人员准备维修或者取走不
。
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