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film guide roller /ˈfɪlm ˈɡaɪd ˈɹəʊlə/ n

中文：导片滚轮

中文 · 导片滚轮Español · rodillo guía de la películaFrançais · cylindre guide-film
Meaning：Rotating cylinder that directs the film from the cartridge toward the film guide rails.
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SLR camera body back

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