发布时间:2025-01-31 10:40:44
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 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44新会计准则和企业所得税法中对各类办公设备的折旧年限有新规定吗
2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44ao史密斯 ll1gbq24s10 燃气壁挂炉 24kw适用对象
2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44 2025-01-31 10:40:44