| 释义 |
R22 may refer to: - R22 (band), a metalcore/hard rock band from Brooklyn, New York
- R22 (New York City Subway car)
- R22 road (Belgium), a (part of) inner ringway around Brussels
- R22 road (South Africa)
- R22 road (Senegal), a regional road in Senegal
- Harmful if swallowed, a risk phrase in chemistry
- {{INS|Viraat|R22}}, an Indian Navy Centaur-class aircraft carrier currently in service
- {{HMS|Ursa|R22}}, a World War II British Royal Navy U-class destroyer
- Robinson R22, a small, light two-person helicopter manufactured by Robinson Helicopter Company
R-22 may refer to : - R-22 Spearhead, a A-wing fictional Rebel Alliance and New Republic starfighter in the Star Wars universe
- {{USS|R-22|SS-99}}, a 1918 United States Navy R-class coastal and harbor defense submarine
- R-22, the refrigerant chlorodifluoromethane, a hydrochlorofluorocarbon used in air conditioning
R.22 may refer to : - Fiat R.22, a 1919 Italian reconnaissance version of the Fiat BR.2
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