英语词汇“球扇形”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	球扇形
释义	球扇形 qiú shàn xíng又稱“球分”、“球心角體”。一個扇形繞着一條不通過它的內部的直徑旋轉一週所得的幾何體。扇形的弧旋轉所形成的球冠或球帶稱爲球扇形的底，這個球冠或球帶的高稱爲球扇形的高。設球扇形的高爲h,球半徑爲r,則球扇形的體積爲v=23πr2h。
随便看	boiler bay boiler bearer boiler bearing boiler bedding boiler biliary boilerbinder cooker boiler blowdown boiler blow-down boiler blow down valve boiler blowdown water boiler blow down water boiler blow-down water boiler blower Boiler Blower Control boiler blowing rate boiler blowoff boiler blow off boiler blow-off boiler blow-off piping boiler blow-off system boiler blow out pipeline boiler blow-out pipe line boiler blow out system boiler blow-out system boiler blow valve