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tons every

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1

Up till now, our factory manufactures activated carbon fiber for 60 tons every year .

目前已形成了年产活性碳纤维毡 60 吨的生产能力。

2

The crop straw in china is in large quantities, variety , wide distribution, and yield about 700 million tons every year.

我国农作物秸秆产量大、种类多、分布广，每年秸秆产量 7亿吨左右。

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