最終更新日：2022/12/07
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In a steam engine, the space enclosed in one end of the cylinder, between the valve(s) and the piston, at the beginning of a stroke; waste room. It includes the space caused by the piston's clearance and the space in ports, passageways, etc. Its volume is often expressed as a certain proportion of the volume swept by the piston in a single stroke.
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clearance space
noun
In
a
steam
engine,
the
space
enclosed
in
one
end
of
the
cylinder,
between
the
valve(s)
and
the
piston,
at
the
beginning
of
a
stroke;
waste
room.
It
includes
the
space
caused
by
the
piston's
clearance
and
the
space
in
ports,
passageways,
etc.
Its
volume
is
often
expressed
as
a
certain
proportion
of
the
volume
swept
by
the
piston
in
a
single
stroke.
意味（1）
In
a
steam
engine,
the
space
enclosed
in
one
end
of
the
cylinder,
between
the
valve(s)
and
the
piston,
at
the
beginning
of
a
stroke;
waste
room.
It
includes
the
space
caused
by
the
piston's
clearance
and
the
space
in
ports,
passageways,
etc.
Its
volume
is
often
expressed
as
a
certain
proportion
of
the
volume
swept
by
the
piston
in
a
single
stroke.
