连续生产时，在最终批号确定前，可以将产品代码、日期和时间结合起来作为唯一的识别符。

In continuous production, the product code together with the date and time can serve as the unique identifier until the final number is allocated.

youdao

连续生产时，在最终批号确定前，可以将产品代码、日期和时间结合起来作为唯一的识别符。

In continuous production, the product code together with the date and time can serve as the unique identifier until the final number is allocated.

youdao