其实每件成品和几乎没个零件都有各自的条形码，基本上它们每动一次，它们的条型码就会被扫描一遍。

Each finished piece and almost every component has an individual bar code that is scanned practically every time it is touched.

youdao

其实每件成品和几乎没个零件都有各自的条形码，基本上它们每动一次，它们的条型码就会被扫描一遍。

Each finished piece and almost every component has an individual bar code that is scanned practically every time it is touched.

youdao