A0图幅是A3图幅的几倍? how many A3 drawing sheet are in A0 drawing sheet ?

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A0图幅是A3图幅的几倍? how many A3 drawing sheet are in A0 drawing sheet ?

A.16

B.8

C.4

D.2

A0图幅是A3图幅的几倍? how many A3 drawing sheet are in A0 drawing sheet ?

热搜:加气混凝土砌块强度等级a3.5表示?