The data model will define the object structure plus layout and valid values.
数据模型将定义对象结构、布局和有效值。
We may know too much about the layout and structure.
我们对其布局和结构了解不少。
Compact structure, reasonable layout, stable performance and low noise.
结构紧凑，布局合理，性能稳定，噪音低。
The internal structure of the layout is reasonable, easy to operate and practical.
内部结构布局合理，操作简便实用。
Simple structure, good sealing performance, flexible process layout and lower power consumption;
结构简单、密封性能好、工艺布置灵活、动力消耗低；
Simple structure, good sealing performance, flexible process layout and lower power consumption;
结构简单、密封性能好、工艺布置灵活、动力消耗低；
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