abbr. Bulgarski Darzavni Zeleznitzki (Bulgarian State Railways) 
国家铁路(语缩写)
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multistable, multistage, multistage-separation, multistaging, multistate, multistation, multistep, multistorey, multi-storied, multistory,
相似单词
BDSM, BDST, BDT, BDU, BDV, BDZ, be, be-, be a credit to sb, be able to,