• 2021-04-14
    【单选题】下列图幅尺寸等式正确的是
    A. 1张A2幅面图纸=2张A1幅面图纸 B. 1张A4幅面图纸=2张A3幅面图纸 C. 2张A2幅面图纸=1张A1幅面图纸 D. 2张A1幅面图纸=1张A2幅面图纸