发布时间:2025-01-27 13:41:21
室内装修(像普通公寓楼装修)一般物业看下设计图纸就可以了,它涉及到力学等,还要盖章做主体结构都需要审的。
电路中的短路怎么产生的 有哪几种情况 如果用电器两边都是负电属于短路吗
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