高一英语填空2紧急!今年生产的照相机与去年相比增加了30%. The number of the cameras they produced this year has increased ? 30%?of last year 注释!一个问号代表一个空

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高一英语填空2紧急!今年生产的照相机与去年相比增加了30%. The number of the cameras they produced this year has increased ? 30%?of last year 注释!一个问号代表一个空

高一英语填空2紧急!今年生产的照相机与去年相比增加了30%. The number of the cameras they produced this year has increased ? 30%?of last year 注释!一个问号代表一个空
高一英语填空2紧急!
今年生产的照相机与去年相比增加了30%. The number of the cameras they produced this year has increased ? 30%?of last year 注释!一个问号代表一个空

高一英语填空2紧急!今年生产的照相机与去年相比增加了30%. The number of the cameras they produced this year has increased ? 30%?of last year 注释!一个问号代表一个空
by (incraased to是增加到 incraased by是增加了)