发布时间:2025-01-31 10:42:35
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 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35同样的工程脚手架套修缮脚手架定额出来的价钱为什么要比套用建筑脚手架定额出来的费用要低一半
2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35我想长沙开灯具店室内灯请朋友们多多指教有经验或同行的朋友多多提点一下谢谢啦 qq254845299
2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35 2025-01-31 10:42:35