Exceeding a certain value of curvature, the natural convection heat-transfer of arc slates is better than inclined-plate slates with 45degree.是什么意思_Exceeding a certain value of curvature, the natural convection heat-transfer of arc slates is better than inclined-plate slates with 45degree.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句