发布时间:2025-02-05 19:47:04
圆柱底面其实就是一个圆,假设其底面周长是C,底面半径是r
那么圆柱底面周长C=2*π*r,则,底面半径r=C÷2÷π
遇到业主说我房子现在不装,或者还没交房呢,作为业余员怎么回答,要学他们呢
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