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The engineers installed a heavy counterweight inside the elevator shaft to balance the car and reduce energy consumption.
See correct answer
The engineers installed a heavy counterweight inside the elevator shaft to balance the car and reduce energy consumption.
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Related words
counterweight
Noun
A
heavy
mass
of
often
iron
or
concrete,
mechanically
linked
in
opposition
to
a
load
which
is
to
be
raised
and
lowered,
with
the
intent
of
reducing
the
amount
of
work
which
must
be
done
to
effect
the
raising
and
lowering.
Counterweights
are
used,
for
example,
in
cable-hauled
elevators
and
some
kinds
of
movable
bridges
(e.g.
a
bascule
bridge).
Japanese Meaning
荷重の上下運動にかかる作業を軽減するため、上げ下げされる荷重に対抗するように配置された重い質量（通常は鉄やコンクリート製）の重り。 / 釣り合いを取るために使われる重り（例：ケーブル式エレベーターや可動橋で使用される）。
Related Words
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