“contact printer”的概念、定义、翻译、参考文献-科学参考

单词	contact printer
释义	contact printer [`kän´takt ´print·ǝr] ^{GRAPHIC ARTS} 1. A device which provides a light source and a means for holding the negative and the sensitive material in contact during exposure. 2. A specialized device for exposing diapositive plates at the same scale as that of the negative.
随便看	elm Elmidae El Niño elongation elongation factor Elopidae Elopiformes elpasolite light-activated silicon controlled switch light adaptation light amplification by stimulated emission of radiation light amplifier light antiaircraft artillery light artillery light beacon light-beam galvanometer light-beam oscillograph light-beam pickup light blasting light bomber light bulb light carrier injection light-case bomb light chain friedelite

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