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最近活塞式压缩机设计的明显趋势是减少比重量。以民主德国VEB泵与压缩机联合企业（VEB Kombinat f（?）r Pum-pen u.Verdichter,ZwickauGDR）为例,采用反向的活塞原理,其结果表明有益于节省体积和重量。与同样排气量及传统结构的压缩机相比较,这种反向的
The obvious trend in recent piston compressor designs is to reduce specific weight. Taking the example of the VEB Kombinat für Pumpen penn. Verdichter Zwickau GDDR, the reverse piston principle was used and the results showed that it is beneficial to save on volume and weight. Compared with the same displacement and the traditional structure of the compressor, this reverse