高九米直径一米三的不锈钢烟囱的单位名称（是一具还是？）
\u505a10\u8282\u5706\u67f1\u5f62\u94c1\u76ae\u70df\u56f1\uff0c\u70df\u56f1\u957f\u4e00\u7c73\uff0c\u5e95\u9762\u76f4\u5f8415\u5398\u7c73\uff0c\u710a\u63a5\u7684\u5730\u65b9\u4e3a1\u5398\u7c73\uff0c\u505a\u8fd9\u4e9b\u70df\u56f1\u9700\u8981\u591a\u5c11\u94c1\u76ae\u6240\u6c42\u9762\u79ef=(\u70df\u56f1\u5e95\u9762\u5468\u957f+\u710a\u63a5\u4f59\u91cf)\u00d7\u70df\u56f1\u957f\u5ea6\u00d7\u8282\u6570
[3.14\u00d7(15\u00f7100)+1\u00f7100]\u00d71\u00d710=4.81 M²
\u6ce8\u610f: \u710a\u63a5\u76841CM\u5e94\u8be5\u52a0\u5728\u5468\u957f\u4e0a
\u4e00\u4e2a\u94c1\u76ae\u70df\u56f1\uff0c\u957f1\u7c73\uff0c\u76f4\u5f8415\u5398\u7c73\uff0c\u710a\u63a5\u7684\u5730\u65b9\u4e3a1\u5398\u7c73\uff0c\u5236\u4f5c20\u8282\u8fd9\u6837\u7684\u70df\u56f1\u9700\u8981\u591a\u5c11\u5e73\u65b9\u7c73\u94c1\u76ae?
1\u7c73=100\u5398\u7c73
\uff083.14\u00d715+1\uff09\u00d7100\u00d720
=48.1\u00d72000
=96200\u5e73\u65b9\u5398\u7c73
=9.62\u5e73\u65b9\u7c73
根
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