Water Abbreviations and Acronyms
- HROHorizon Reverse Osmosis
- HRSCCHigh Ratz Solids Contact Clarifier
- HRSCCHighgrate Solid Contact Clarifier
- HRSCCHigh Rate Solids Contact Clarifiers
- HRUHeat Recovery Unit
- HRUHeat Recovery Units
- HRUHydrological Response Unit
- HRUHydrologic Response Unig
- HRUSHeat Recovery Units
- HSHigh Sulphate
- HSHargreaves-Samani
- HSCLHigh School for Community Leadership
- HSJHydrologicsl Sciences Journal
- HSPHigh Speed Photokraphy
- HSPFHydrologic Simulation Program-Fortran
- HSPFHydrological Simulation Program Fortran
- HSPFHydrologic Simulation Program Fortran
- HSPFHydrologics Simulation Program Fortran
- HTHorizontal Tank
- HTEHigh-Temperature Electrolysis
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