The fume can be greatly reduced through the reaction between water and the cone. 使水與霧狀錐體相互作用能極大地減少切割煙塵。
The figure formed by a cone,bound or regarded as bound by its vertex and a plane section taken anywhere above or below the vertex. 圓錐體由或被認為是由其頂點確定的錐體和取自頂點以上或以下的橫切平面組成的幾何體。
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