发布时间:2025-01-23 09:15:41
1 钢梯踏步步数=钢梯全高/踏步步高(根据规范要求确定步高);
2 钢梯水平投影长度=踏步步数×踏步宽度(根据规范要求和现场实际尺寸确定踏步宽度);
3 钢梯全长的平方=钢梯水平投影长的平方+钢梯全高的平方.
即将开一家自己的甜品店装修成了我最头疼的问题第一次开店不知道找哪些装修公司好怕被坑没经验所
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