(过去完成时)他们说生产成本已经下降了。

They said that production costs had been reduced.

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目前已经完成小试、中试，并开始小批量生产。

We have done a small test, test, and begin small batch production.

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现在，所有设计已经完成，已进入采购和生产阶段。

Now, all the design has been completed, and We have begun procurement and production.

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本市所有的工厂都已经提前完成了生产定额。

All the factories in our city have fulfilled their production quota ahead of time.

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本市所有的工厂都已经提前完成了生产定额。

All the factories in our city have fulfilled their production quota ahead of time.

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