dàng / àn / guǎn / bǎ / zhēn / guì / de / lì / shǐ / wén / jiàn / pāi / chéng / le / wēi / suō / jiāo / juǎn

档案馆把珍贵的历史文件拍成了微缩胶卷。

The archives filmed the valuable historical documents onto microfilm.