scotographic
... scotograph 暗处写字器 scotographic 暗室显影的 scotography 暗室显影法 ...
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制作一台全息照相显影密度仪,该仪器在暗室中,显示清晰,使用方便,对提高工作效率,节省材料,制作优良的全息图有很好作用。
The instrument has features of clear digital display and easy operating in dark room. It raises working efficiency, saves material, and has good effect on taking fine hologram.
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