1、
It is set up the equipment adjusted and has such function: flat and saddle stitching.
它设有校车调整装置，具有平订或骑马订功能。
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2、
3、
讨论了在用子孔径拼接法检测大口径光学镜面时的精度问题，并分别从理论上和实验中对拼接检验的精度做了定量分析。
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4、
Pleats must be pressed flat before stitching to ensure they are not distorted when stitched down.
褶必须在缝前压平以保证缝合后不弯曲.
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5、
