发布时间:2025-02-03 09:36:59
1、直接用个绳子把钢筋从建好的房子的阳台上吊上去就可以了。
2、用滑轮,把滑轮放在建好的房子的阳台上,用人力拉,或买电动机把钢筋拉上去。
家里准备买投影仪但是之前没布线如果把投影挂起来没有电源插座但是吊顶有射灯
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