发布时间:2025-01-31 10:38:08
首先你要知道,1.5平方米的线其载流量为8A,灯泡的瓦数通常为35W,额定电压为220V,通过计算单只灯泡的电流为:0.15A,房间的灯泡最多不超过10盏,实际计算的电流远远小于导线1.5载流量所允许的电流,所以,这是合理的!!!!
做一个公司内容的报价单(包含各种材料费,区分供应商价格,数量)
2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08想买三菱电梯 10层 5站 800kg 1m47s电梯本身要多少钱
2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08品胜pisen电霸五代 10000毫安移动电源47充电宝 自带插头详细介绍
2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08 2025-01-31 10:38:08