发布时间:2025-02-05 12:14:52
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
大家好想买台二手格力空调型号kfr50lw47e50568la1n52008年10月制造请问大侠多少价钱合适
2025-02-05 12:14:52 2025-02-05 12:14:52 2025-02-05 12:14:52 2025-02-05 12:14:52 2025-02-05 12:14:52 2025-02-05 12:14:52 2025-02-05 12:14:52买电源适配器买25a的还是买300ma哪个输出的大买输出的电源买25a的还是买300ma的
2025-02-05 12:14:52 2025-02-05 12:14:52 2025-02-05 12:14:52 2025-02-05 12:14:52 2025-02-05 12:14:52 2025-02-05 12:14:52 2025-02-05 12:14:52 2025-02-05 12:14:52 2025-02-05 12:14:52 2025-02-05 12:14:52 2025-02-05 12:14:52 2025-02-05 12:14:52 2025-02-05 12:14:52 2025-02-05 12:14:52 2025-02-05 12:14:52 2025-02-05 12:14:52 2025-02-05 12:14:52 2025-02-05 12:14:52 2025-02-05 12:14:52