结构参数表征压缩机结构特点的诸参数如活塞力行程转速列数各级缸径外形尺寸等
Structural parameters are various parameters that characterize the structural features of a compressor, such as piston force, stroke, rotational speed, number of rows, cylinder diameters of each stage, and external dimensions
以上为机器翻译结果，长、整句建议使用 人工翻译 。