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   English
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r/min
el.mach. 每分转速; 每分转数; 转/分
mil., air.def. 转/分 (revolutions per minute)
nautic., tech. 每分钟转数
 English thesaurus
r/min
abbr., busin. revolutions per minute
abbr., med., conv.notation. rotational frequency (reciprocal revolutions per minute)
R/MIN
abbr., avia. revolution per minute