最終更新日
:2023/09/06
retaining valve
noun
(rail
transport,
mechanical
engineering)
A
device
that
retains
some
air
pressure
in
a
train's
air
brake
cylinders
even
when
the
automatic
brake
valve
is
set
to
the
fully-released
position,
used
on
steep
downgrades
to
allow
a
degree
of
continuous
braking
effort
to
be
maintained
without
depleting
the
pressure
in
the
train's
brakepipe
(which
would
result
in
the
loss
of
nearly
all
braking
ability,
causing
a
runaway).
意味(1)
(rail
transport,
mechanical
engineering)
A
device
that
retains
some
air
pressure
in
a
train's
air
brake
cylinders
even
when
the
automatic
brake
valve
is
set
to
the
fully-released
position,
used
on
steep
downgrades
to
allow
a
degree
of
continuous
braking
effort
to
be
maintained
without
depleting
the
pressure
in
the
train's
brakepipe
(which
would
result
in
the
loss
of
nearly
all
braking
ability,
causing
a
runaway).
復習用の問題
正解を見る
(rail transport, mechanical engineering) A device that retains some air pressure in a train's air brake cylinders even when the automatic brake valve is set to the fully-released position, used on steep downgrades to allow a degree of continuous braking effort to be maintained without depleting the pressure in the train's brakepipe (which would result in the loss of nearly all braking ability, causing a runaway).
The retaining valve on the train tracks prevents the train from rolling backwards.
正解を見る
The retaining valve on the train tracks prevents the train from rolling backwards.
English Dictionary
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