发布时间:2025-01-31 04:38:52
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
有知道樟子松 冷杉 云杉的木质的吗 如果家庭装修那种合适有知道的吗 谢谢
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