In 1966, Beijing metal structure factory developed by rotatingsphere of the submerged arc welding automatic welding.
1966年，北京金属构造厂开辟出了使被焊球体扭转的埋弧主动焊。
2
Due to the outstanding shear rate control of the MCR series it is possible to measure a full flow curve with just one revolution of the excentrically rotatingsphere.
由于MCR 系列精湛的剪切应力控制，只需一个非同心的旋转球体即可测量一个完整的曲线。
3
The solutions for the rotating prolate sphere and dumbbell-shape body are calculated and compared with the exact solutions. It is shown that proposed method has good convergence and high accuracy.