After the new technique was introduced,thefactory produced twice many as cars in the year before怎么翻译

After the new technique was introduced,thefactory produced twice many as cars in the year before怎么翻译
After the new technique was introduced,thefactory produced twice many as cars in the year before
怎么翻译

After the new technique was introduced,thefactory produced twice many as cars in the year before怎么翻译
自新技术被引进后,该工厂的汽车产量较去年增加了两倍.