A1图幅是A4图幅的几倍? How many A3 drawing sheet are in A1 drawing sheet?
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A1图幅是A4图幅的几倍? How many A3 drawing sheet are in A1 drawing sheet?
A.16倍 16times
B.8倍 8times
C.4倍 4times
D.2倍 2times

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8 倍 8times
