摘要
推导出确定锅炉锅筒椭圆形封头人孔板边过渡圆心坐标的公式,可供计算机绘图时的参考。
The formula which ascertain the coordinates center of the circle of the manhole skirt transitional circular arc of boiler drum ellipsoidal head has been deduced,which can be a reference when it is drawn by computer.
出处
《锅炉制造》
2003年第4期19-21,共3页
Boiler Manufacturing
关键词
锅筒椭圆形封头
人孔板边
过渡圆弧
坐标
boiler drum ellipsoidal head
manhole skirt
transitional circular arc
coordinate
