英语词汇“safety film”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	safety film
释义	safety film noun [mass noun] Fire-resistant cinema film.This lack of hands-on film-making expertise would hamper the growth of the OMPB, as would its choice of non-theatrical 28 mm safety film, instead of 35 mm, the industry standard.... After the introduction of aspirin, he had developed not only several more drugs but also cellulose acetate, acetate silk, and acetate safety film before leaving Bayer in 1908 to establish his own factory in Berlin.
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