Deletion: 8 products including dental laboratory casting unit, etc.
删除：8种产品，包括牙科实验室铸造设备。
The shortcomings of horizontal centrifugal casting machine are analyzed, and a vertical casting unit 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。
The chamber comprises the die-casting unit and is equipped with the vacuum pump which pumps the chamber into vacuum for preventing the oxidation of the amorphous alloy.
以及腔室，在其中包括压铸单元并且安装有真空 泵，真空泵将腔室抽成真空以防止非晶合金的氧化。
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