采用面向对象的数据库技术，建造了浇口类型与浇口位置咨询专家系统。
A consultation expert system about the gate's type and location is built by the method of Object-Oriented database technology.
采用面向对象的数据库技术，建造了浇口类型与浇口位置咨询专家系统。
A consultation expert system about the gate's type and location is built by the method of Object-Oriented database technology.
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