电线电缆负载电流值电工常识－电线负载电流值国标 GB4706.1-1992/1998 规定的电线负载电流值（部分） 铜芯电线铝芯电线铜芯线截面积允许长期电流铝芯线截面积允许长期电流2.5 平方毫米16A～25A2.5 平方毫米13A～20A4 平方毫米25A～32...

时间:2025-04-12 14:27栏目:行业资料

非 铠 装VVVLVVY1.50.8751-442.50.88735862419997487619.51238611010110.917811616216112.1246146210251.214359202337351.215.3464246440501.417.2606310576701.419.2824396790951.621.7110051710581201.623.5130060812551501.825.716547301600185228.2200089019372402.231.52640111725653002.434.9328613763200非 铠 ...

时间:2025-03-13 09:59栏目:行业资料

时间:2025-03-13 09:59栏目:行业资料

非 铠 装VVVLVVY1.50.8751-442.50.88735862419997487619.51238611010110.917811616216112.1246146210251.214359202337351.215.3464246440501.417.2606310576701.419.2824396790951.621.7110051710581201.623.5130060812551501.825.716547301600185228.2200089019372402.231.52640111725653002.434.9328613763200非 铠 ...

时间:2024-12-05 22:44栏目:行业资料

电线电缆负载电流值电工常识－电线负载电流值国标GB4706.1-1992/1998规定的电线负载电流值（部分）铜芯电线铝芯电线铜芯线截面积允许长期电流铝芯线截面积允许长期电流2.5平方毫米16A～25A2.5平方毫米13A～20A4平方毫米25A～32A4平...

时间:2024-11-17 07:35栏目:行业资料