发布时间:2025-02-08 02:41:48
导线截面积s=I/a。I表示电流安,a表示每平方安全承载电流安。铜线a取每平方8安,铝线4安。比如100安的电流,铜线s=100÷8=12.5平方,铝线s=100÷4=25平方。
SIEMENS/西门子 SN23E831TI 独立式洗碗机-洗碗机中的战斗机
2025-02-08 02:41:48 2025-02-08 02:41:48 2025-02-08 02:41:48 2025-02-08 02:41:48 2025-02-08 02:41:48 2025-02-08 02:41:48 2025-02-08 02:41:48 2025-02-08 02:41:48 2025-02-08 02:41:48 2025-02-08 02:41:48广州市越秀区富力东山新天地d一栋坐公交车去东莞市镇口政府东在那里坐车方便
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