UnitConverterPage.units.speed.name

Mile-per-hour para Kilometer-per-hour

UnitConverterPage.units.speed.name
UnitConverterPage.units.speed.miles-per-hour.abbr
UnitConverterPage.units.speed.kilometers-per-hour.abbr

Definição para Mile-per-hour

UnitConverterPage.units.speed.mile-per-hour.definition

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Definição para Kilometer-per-hour

UnitConverterPage.units.speed.kilometer-per-hour.definition

Mais na Wikipedia