发布时间:2025-02-05 11:59:27
没什么大的区别,无非在打固定螺栓的时候预应力预制板是不能随便乱打,只能在板与板之间受力,不然会破坏板的结构。而现浇混凝土楼板只要不是打到钢筋什么地方打固定螺栓问题都不大
<草图大师>,想在一个已经画好的面上再加一个面,却总是画不到同一表面了,怎么办
2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27内径为100毫米的管线内流量为150 立方米47小时其流速为多少米47秒请高手附上详细的计算步骤谢谢
2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27 2025-02-05 11:59:27