normal working area 中文意思是什麼
normal working area
解釋
正常工作面積-
As the electric power & electronic technology is used widely in low voltage area, the properties of voltage and current in normal working conditions of electrical appliance closely resemble or mimic the un - normal properties created by the arc fault, so it is difficult to distinguish between normal and un - normal cases
隨著電力電子技術在低壓領域的廣泛應用,一些電器正常工作時的電壓電流特性與故障電弧的典型特性相似,給檢測工作帶來了難度。
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