Pregnant Yoda
2022-05-23T05:59:34+00:00
想再地下室做个夹层,画圆圈的部分做,怎么做比较坚固,用16的工字钢还是25的工字钢,需要加吊柱吗?
[img]https://img.nga.178.com/attachments/mon_202205/24/-40rwQ17s-77ieZbT3cSu0-ww.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202205/24/-40rwQ17s-77ieZbT3cSu0-ww.jpg.medium.jpg[/img]