dī / nóng / suō / yóu / de / yùn / shū / hé / chǔ / cún / bì / xū / fú / hé / yán / gé / de / ān / quán / guī / dìng低浓缩铀的运输和储存必须符合严格的安全规定。The transport and storage of low-enriched uranium must comply with strict safety regulations.