While the length of extended end was shortened to one half of its original length the unbalancing response of the gear shaft-gear coupling-motor shaft system in the DH typed centrifugal compressor has a tendency to increase.

• 当外伸端长度缩小为原长的一半时 ,DH型离心压缩机齿轮轴 -齿轮联轴器 -电机轴系统在轴承处的不平衡响应有增大的趋势。