发布时间:2025-01-24 13:19:21
20厘米。彩钢板屋檐突出最后一班达到20厘米上一位,这样才可以让雨水不会侵蚀到里面去,又不会因为没支架而掉下来,大过了20厘米就会因为自身重量而掉下里,所以20厘米正好合适。
老房子里没有厕所很不方便 但是有下水道 想自己装一个简易的厕所 给高分 急
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