发布时间:2025-02-06 23:41:41
电度表的倍率分两种,一种是由电度表结构决定的倍率,称电度表本身倍率,它等于电度表的齿轮比,如电度表只有一位小数,其齿轮比及常数为2500,倍数实为1。使用时将两次抄得的电量数相减,即为实际用电量。另一种,当电度表经互感器接入时,其读数还要乘以电流和电压互感器的变比。即:电度表倍数=TV变比×TA变比×电度表本身倍率。其电度表用电电量数=两次相减的数字差数×电度表倍数。
我家是套房原来烟囱那里预留了一个洞我没发现后来吊顶盖过去了现在叫一个师傅来装抽油烟机他重
2025-02-06 23:41:41 2025-02-06 23:41:41 2025-02-06 23:41:41 2025-02-06 23:41:41 2025-02-06 23:41:41 2025-02-06 23:41:41 2025-02-06 23:41:41 2025-02-06 23:41:41 2025-02-06 23:41:41 2025-02-06 23:41:41 2025-02-06 23:41:41 2025-02-06 23:41:41 2025-02-06 23:41:41 2025-02-06 23:41:41 2025-02-06 23:41:41 2025-02-06 23:41:41 2025-02-06 23:41:41 2025-02-06 23:41:41 2025-02-06 23:41:41 2025-02-06 23:41:41 2025-02-06 23:41:41 2025-02-06 23:41:41 2025-02-06 23:41:41现在装修房间130平方左右简约风格年底等着入驻大概预算只有10万够吗
2025-02-06 23:41:41 2025-02-06 23:41:41 2025-02-06 23:41:41 2025-02-06 23:41:41