发布时间:2025-01-24 06:24:23
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。
pk学堂里学习怎么样我孩子的老师让他们班的学生去那里参加学习我想了解一下谁接触过
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