The maintainability of large pump unit influences the maintenance time, maintenanceexpense, and maintenance quality directly.
大型水泵机组的维修性直接影响维修时间、维修质量和维修费用。
2
And the reliability bad is the concentrated expression of software quality question, but the software quality bad is also one of software maintenanceexpense big primary factors.
其中可靠性差是软件质量问题的集中表现，而软件质量差又是软件维护费用大的主要因素之一。
3
In the real production, the disc feeder used for sintering mixing exists many disadvantages such as unstable discharging, limited discharging capacity and high maintenanceexpense.