发布时间:2025-02-06 02:15:30
用报纸塞进去堵满,上面用玻璃胶直接封,就算以后拆除也是非常方便的。
5.5米跨度的承重悬梁,下方没有承重墙,能否承载25吨的重量
2025-02-06 02:15:3006米长04米宽07毫米厚的不锈钢板可以承受多大的重量假设钢板四周是完全固定的往钢板放重物
2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30 2025-02-06 02:15:30