manual reversion
The actuation via purely mechanical means of one or more control surfaces that are…The actuation via purely mechanical means (using cables and/or pushrods) of one or more control surfaces that are usually controlled by hydraulics.
UK/ˈman.j(ʊ).əl ɹɪˈvəː.ʃən/US/ˈmæn.j(əw).əl ɹɪˈvɚ.ʒən/
Meaning
1 senses(uncountable)The actuation via purely mechanical means (using cables and/or pushrods) of one or more control surfaces that are usually controlled by hydraulics.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable