1·The smooth surface makes it possible to utilize the printing plate precursor in preparing planography plate with long running period.
这种光滑的表面使得能够由所述版前体制备在印刷过程中具有高的运转周期的平版印刷版。
2·The image is used as the negative planography printing plate printing.
这样形成的图像被用来作为阴图平版印刷版印版。