发布时间:2025-02-07 14:15:29
这个按直角三角形算,根据勾股定理,作屋顶到面的垂直线,分成两个等腰直角形。规律是高为3,底为4,斜面为5,再按比例尺算。假设下面总长16米,那么一边直角形是8米,得出高为6米。
`电脑沒光驱,安装一个万能驱动,是否插上打印机的数据线就可以打印文件
2025-02-07 14:15:29 2025-02-07 14:15:29砌体结构工程施工质量验收规范gb502032011规定施工时所用的小砌块的产品龄期不应小于
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