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排水沟开挖 深2米 底宽1.5米 1比2的坡比 求上口挖多宽?
排水沟开挖 深2米 底宽1.5米 1比2的坡比 求上口挖多宽?
排水沟开挖 深2米 底宽1.5米 1比2的坡比 求上口挖多宽?求大神了
2024-11-13 12:06:02
推荐回答(1个)
回答(1):
坡比=垂直高度:水平宽度,
单边斜坡,上口=深÷坡比+底宽=2÷(1/2)+1.5=4+1.5=5.5(米),
双边斜坡,上口=深÷坡比×2+1.5=2÷(1/2)×2+1.5=9.5(米)。
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