缩微胶片技术 meaning in English
microfilm techniques
Examples
- Recommendations for preparation of technical drawings for microfilming
缩微胶片技术图纸制备推荐标准 - Microfilm technique , microfilming of engineering drawings ; re - englargement ratios from recordings on film 35 mm minimum requirements
缩微胶片技术:工程图纸缩微.第6部分:根据35 mm缩微