单芯电缆不小于电缆外径的20倍;多芯电缆不小于电缆外径的15倍;

单芯电缆不小于电缆外径的20倍;多芯电缆不小于电缆外径的15倍;的英文翻译

基本释义

• Single - core cables should not less than 20 times of the cable diameter, others not less than 15 times of the cable;