摘要: 阅读全文
posted @ 2019-12-04 21:29 西北逍遥 阅读(506) 评论(0) 推荐(0)
摘要: IfcColumn is a vertical structural member which often is aligned with a structural grid intersection. It represents a vertical, or nearly vertical, st 阅读全文
posted @ 2019-12-04 16:07 西北逍遥 阅读(425) 评论(0) 推荐(0)