经折装
参考答案:
隋唐时为改进卷轴装,将纸一反一正反复折叠,使之成为长方形的一叠,然后将这叠书的前后各加一硬纸予以保护,这就是经折装。
无砟道床,板式轨道混凝土底座厚度应大于等于()cm。
A、10
B、15
C、20
D、25
We are sorry to inform you that the shipment is not ( ) the standard stipulated in the contract. A. into B. up to C. according to D. instead of