Because of its excellent part load efficiency, many compressor unit is used mainly in the occasions for large displacement in high pressure piston compressor applications.
由于其出色的部分负荷效率，多压缩机机组主要应用于的场合为大排量中高压活塞式空压机应用领域。
2
At the same time displacementcompressor chooses big purchase cost is higher.
同时选用大排气量压缩机的购置费用较高。
3
The dynamics of the Variable displacementcompressor is studied, and analytical model for evaluating the dynamic behaviour of the compressor is outlined.