វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Roadbed
noun
1.
(the
foundation
structure
of a
railroad
,
bed
or
foundation
for the
rails
and
ties
of a
railroad
;
sometimes
, the
surface
of
such
a
road
)
គ្រឹះថ្នល់
ENGLISH MEANING
noun
1.
In
railroads
, the
bed
or
foundation
on
which
the
superstructure
(
ties
,
rails
,
etc
.)
rests
; in
common
roads
, the
whole
material
laid
in
place
and
ready
for
travel
.