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RR

1 ENTRIES FOUND:
RR abbreviation
RR
abbreviation
Learner's definition of RR
railroad
US or R.R. rural route乡村公路
◊ The abbreviation RR is used in mailing addresses to places that are located in the country to show which delivery route the mailbox is located on.缩略词RR用于美国乡村的邮政地址。
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See also: R & R

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