发布时间:2025-01-25 06:53:35
修复需要300左右。大梁生绣烂了修复方法是:
1、将生锈部位的裙边用砂轮机切掉。
2、然后剪一块大小差不多的铁皮焊上去。
3、用砂轮机将焊点打磨光滑平整,然后再补上油漆即可修复完成。
急!!!我家装了一台自吸泵 井里的底阀用止回阀代替的 请问止回阀是竖着装好还是横着装好 谢
2025-01-25 06:53:35 2025-01-25 06:53:35 2025-01-25 06:53:35 2025-01-25 06:53:35 2025-01-25 06:53:35 2025-01-25 06:53:35空调加热30度除甲醛加速挥发吗空调加热30度除甲醛需要放水吗
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