发布时间:2025-02-08 02:35:38
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 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38我是公寓型住宅对门是一个库房交房后一直物业放杂物现在要装修成住宅给物业人员居住我该怎么办
2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38 2025-02-08 02:35:38