发布时间:2025-02-02 17:29:45
铁皮完全可以用锡焊焊接.如果是黑铁皮先用盐酸洗一下,然后用电烙铁醮焊锡焊接,如果是白铁皮先用熟盐酸洗一下,然后用电烙铁醮焊锡焊接即可.
把一根长方体水泥柱子的四周前后左右四面刷上红色油漆需要刷油漆的面积有多少
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