相关题目
1、【第565题-判断】下列表述是否正确:All the holes made by laser perforation in the same document are of the same size. ()
1、【第564题-判断】下列表述是否正确:Laser engraving can have a relief effect. ()
1、【第563题-判断】下列表述是否正确:Laser printing can have a relief effect. ()
1、【第562题-判断】下列表述是否正确:See through register can be best checked by transmitted light. ()
1、【第561题-判断】下列表述是否正确:Offset is a direct printing technique. ()
1、【第560题-判断】下列表述是否正确:Polycarbonate is short for PC. ()
1、【第559题-判断】下列表述是否正确:Security fibres can be visible or invisible under UV light. ()
1、【第558题-判断】下列表述是否正确:Offset is a relief printing process. ()
1、【第554题-判断】下列表述是否正确:The best light to check the security thread is transmitted light. ()
1、【第553题-判断】下列表述是否正确:The best light to check the genuine watermark is side light. ()
