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。

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Cooperation to establish a two-valve production base in the western region will be the largest and most complete production base.

两强合作建立的阀门生产基地将是西部地区规模最大、品种最全的生产基地。

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These two outcomes largely countered a broad base of production gains across the primary sector.

FORBES: Silver Institute: Global Silver-Mine Output Rises 4% To Record High In 2012