Deletion: 8 products including dental laboratory castingunit, etc.
删除：8种产品，包括牙科实验室铸造设备。
2
The shortcomings of horizontal centrifugal casting machine are analyzed, and a vertical castingunit in structure of double-layered hollow abdomen is designed.
文章分析了卧式离心铸造机的不足，并针对这些不足，设计了一种双层空腹主轴结构的立式离心铸造机。
3
The chamber comprises the die-castingunit and is equipped with the vacuum pump which pumps the chamber into vacuum for preventing the oxidation of the amorphous alloy.