record service practice的意思|示意

It not merely exists in the file or file of the catalogue, publicity materials, customer service record, but exists in the procedure, course, practice and convention of customer relation management.

它不仅存在于产品目录、宣传材料、客户服务记录的文件或档案中，还存在于客户关系管理的程序、过程、实践和惯例之中。

A series of YG8-drawing dies have been treated by this process, and the practice record shows that their service life is remarkable improved.

用该工艺处理的一系列YG 8拉丝模具，在实际使用中其服役寿命显著提高。