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对容积式真空泵的结构型式进行分析 ,整理归纳其优缺点 ,指出结构缺点的不可消除性以及这些结构的发展趋势 ,为结构设计和选型提供参考
The structure type of positive displacement vacuum pump is analyzed, the advantages and disadvantages are summarized, the indecomposableness of the structural defects and the development trend of these structures are pointed out, which provide references for the structural design and selection