发布时间:2025-01-27 13:32:53
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。
一直迷惑电笔的一段通过人怎么就形成回路了电流通过人体后没有和火线连接呀怎么就构成回路
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