検索結果- 英語 - 英語
検索内容:
half-value thickness
Seaton Valley
Culm Valley
name
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).
Ogmore Vale
Monument Valley
name
Holme Valley
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