It is very important in engineering to abide with IEC standard, codification regulations of electric equipment and design codes for electricity.
在工程设计中，遵循iec标准、电气设备编码规定、电气设计规范是十分重要的。
It is very important in engineering to abide with IEC standard, codification regulations of electric equipment and design codes for electricity.
在工程设计中，遵循iec标准、电气设备编码规定、电气设计规范是十分重要的。
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