非装订式A2图幅的图框线距图幅边的尺寸是多少? How long is the frame line to the boundary ?Su
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非装订式A2图幅的图框线距图幅边的尺寸是多少? How long is the frame line to the boundary ?Suppose A2 drawing sheet is non-binding.
A.10
B.20
C.15
D.25

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10
