发布时间:2025-01-23 03:05:29
有管道。包完后肯定影响层高。
用木板、石膏板都行。
最主要考虑以后检修方便,留大点口。
一个圆锥形的稻谷仓底面积是19平方米高15米这堆稻谷的体积大约是多少立方米
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