The successful development of this test bed guarantees the maintenance quality of air source purification plants and the reduced failure of air systems. 该试验台的研制成功，对提高风源净化装置的检修质量和降低空气系统故障起到了保障作用。
A filter for a display apparatus and a plasma display apparatus comprising the filter are provided. 提供了一种用于显示装置的过滤器和包括该过滤器的等离子体显示装置。
Maintenance and replacement of expendable equipment components, e.g. purification filters, should be based on the results of monitoring and validation. 对易耗件的维修和更换，如净化过滤器，应根据相应的监控和验证结果进行。
