发布时间:2025-01-26 15:52:42
你这个应该是梯形柱子,共有6个面,求表面积的话,除了顶和底是长方形外,余下4个是梯形;
设:H=高,A=上宽,B=下宽,C=上长,D=下长;
那么 S = A*C + B*D + 2*H*(A+B)/2 + 2*H*(C+D)/2;
买了戴森无绳吸尘器挂架安装有个问题需要两个4毫米螺丝固定问题是墙面位置应该是普通的高层空心
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