411 REFERENCE · Wiktionary
LHV
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
en thermodynamics
Noun
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en thermodynamics en w:lower heating value.
en HHV
411 REFERENCE · Wiktionary
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.