elliptical head meaning in Chinese

椭圆封头
椭圆形顶盖
椭圆形封头
槌球封头

Cracking analysis on hot formed stainless steel elliptical head
不锈钢椭圆封头热压制裂纹分析
The reproductive level includes king and queen of termites which have two pairs of wings , short hair and circular or elliptical head
生殖阶层包括白蚁王及白蚁后均有两对长翅，短尾毛及圆形或椭圆形的头部。
Based on pressing practical experience of eha4120 double - faced clad plate elliptical head , the type head external surface clad layer crack reason during pressing process were analyzed and discussed , and the head pressing task was fulfilled successfully through improving the pressing procedure
摘要根据eha4120双面复合板椭圆封头的冲压实际经验，分析探讨了此种封头在压制过程中外表面复合层产生裂纹的原因，通过改进压制工艺，成功地完成了封头的压制任务。