zhè / pī / bù / hé / gé / de / líng / jiàn / yào / quán / bù / huí / lú / bù / néng / jì / xù / shǐ / yòng

这批不合格的零件要全部回炉，不能继续使用。

This batch of defective parts must all be remelted and cannot be used further.