Last Updated：2025/11/22
Sentence
高出力運転中、パイロットは燃焼温度を下げてノッキングを防ぐために水噴射を作動させた。
Quizzes for review
During high-performance runs, the pilot engaged water injection to lower combustion temperatures and prevent knocking.
See correct answer
During high-performance runs, the pilot engaged water injection to lower combustion temperatures and prevent knocking.
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Related words
water injection
Noun
uncountable
(automotive,
aviation)
The
process
of
squirting
a
small
amount
of
water,
in
the
form
of
a
fine
spray,
into
the
air/fuel
mixture
going
into
a
gasoline
piston
engine,
in
order
to
cool
the
engine
cylinders,
and,
thereby,
reduce
detonation
or
knocking
in
high
performance
engines,
especially
when
using
a
high
compression
ratio.
Japanese Meaning
自動車や航空機のエンジンにおいて、気缶内の空気・燃料混合気に極細の水の霧を噴射し、エンジンシリンダーを冷却することで高圧縮比エンジンにおける敲火（ノッキング）を抑制するプロセス
English - English
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