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   English ⇄
Google | Forvo | +
revolutions per hour
avia. 转数每小时
busin. …转/小时; 每小时转数
dril. 转/小时
earth.sc. 转数/小时
mech. 每小时转数; 转每小时
 English thesaurus
revolutions per hour
abbr., mining. r.p.h.
Revolutions Per Hour
unit.meas., abbr. RPH

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