Step-Contact Printer: Contact printer in which the film being copied and the raw stock are advanced intermittently by frame. Exposure occurs only when both are stationary.
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释义
间歇式接触印片机:未曝光的胶片和待拷贝的胶片在接触印片机中逐格地间歇前进,只有当两者处于静止状态时,才发生曝光。
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