简要叙述了包装有效期的概念及含义，说明了包装有效期对军用物资管理的重要性。

The concept and meaning of packaging effective period was introduced. The importance of packaging effective period to military material management was explained.

youdao

简要叙述了包装有效期的概念及含义，说明了包装有效期对军用物资管理的重要性。

The concept and meaning of packaging effective period was introduced. The importance of packaging effective period to military material management was explained.

youdao