1. RESULTS The Qi - Qi pellets prepared by extrusion-spheronization were all spheral with smooth surface. The percent of reception was not less than 85%.
结果用挤出滚圆法制备的杞芪微丸圆整度好，大小均匀，收率在85%以上。
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2. It is essential to control assembly and welding deformations for large scale spheral tank with thin wall in order to guarantee spheral tank construction quality.
3. It is essential to control assembly and welding deformations for large scale spheral tank with thin wall in order to guarantee spheral tank construction quality.
