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

A1图幅是A4图幅的几倍? How many A3 drawing sheet are in A1 drawing sheet?

热搜:交流接触器的电寿命约为机械寿命的几倍