工厂已经采取措施减少次品率。

Gōngchǎng yǐjīng cǎiqǔ cuòshī jiǎnshǎo cìpǐn lǜ.

The factory has taken measures to reduce the rate of substandard products.

这批货物中有一些是次品，需要退货。

Zhè pī huòwù zhōng yǒu yīxiē shì cìpǐn, xūyào tuìhuò.

Some of the goods in this batch are substandard and need to be returned.

检查员负责筛选出次品并进行处理。

Jiǎnchá yuán fùzé shāixuǎn chū cìpǐn bìng jìnxíng chǔlǐ.

Inspectors are responsible for screening out substandard products and handling them.