最終更新日：2022/12/24
The term permanent way
arose to differentiate between the rough track laid by railway contractors for the constructional purposes of new lines, and the final ballasted track upon which the regular service of trains was to run. The former being purely temporary, qualification of permanent
was applied to the latter.
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元となった例文
The
term
"permanent
way"
arose
to
differentiate
between
the
rough
track
laid
by
railway
contractors
for
the
constructional
purposes
of
new
lines,
and
the
final
ballasted
track
upon
which
the
regular
service
of
trains
was
to
run.
The
former
being
purely
temporary,
qualification
of
"permanent"
was
applied
to
the
latter.
