Also, it built a high-quality "two-line", "three-line" rice seed production base.

建立了一万亩优质“两系”，“三系”水稻制种生产基地。

youdao

Also, it built a high-quality "two-line", "three-line" rice seed production base.

建立了一万亩优质“两系”，“三系”水稻制种生产基地。

youdao