发布时间:2025-01-31 04:42:35
半径为12.56÷3.14÷2=2m
体积为π×2^2×2=8π 立方米
可以盛稻谷8π×600=4800π≈15079.64千克
为什么浇砼的时候有主次梁的楼板宜顺着次梁的方向浇筑单向板宜顺着长边方向浇筑
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