椭圆形封头 meaning in English

ellipsoidal heads
elliptical head

Study on the problem of setting skirt length of elliptical - head
椭圆形封头直边设置问题
Using vb6 programming software , the different marked volume of corresponding absolute altitude for the horizontal vessel which have arbitrary ellipse head and spherical vessel can be calculated more rapidly and accurately , and the method was not restricted by vessel specifications
摘要介绍了利用vb6编程软件，快速准确地计算出具有任意椭圆形封头的卧式容器及球罐不同标高液位所对应体积的方法，该方法不受容器规格限制。