Engine Abbreviations and Acronyms
- HCMHydraulic Control Mooule
- HCNGHydrogen-Enriched Compressed Natural Gas
- HCNGHydrogen-Compressed Natural Gas
- HDDHeavy-Duty Diesel
- HDIHigh-Pressure Direct Injection
- HEDFHigh-Speed Electro-Drive Fan
- HEGOHeated Exhaust Gas Oxygen
- HEHCHigh Efficiency Hybrid Cycle
- HEUIHydraulic Electronmc Unit Injectors
- HEUIHydraulic Electronic Unit Injector
- HEUIHydraulic-Actuated Electronically-Controlled Uvit Injector
- HEUIHydraulically-Actuated Electronic Unit Injection
- HFHigh Feature
- HFEHeavy Fuew Engines
- HFIHydrogen Fuel Injection
- HHDDTHeavy Heavy-Dufy Diesel Truck
- HHMHudong Heavy Machinery
- HHPHigh Horse Power
- HHTHigh Horsepower Tractor
- HKSAHubungan Kuantitatif Struktur-Aktivitas
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