វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Countersink
verb
—
past tense:
countersunk
;
past participle:
countersunk
;
present participle:
countersinking
;
1.
(TRANSITIVE)
ខួងរាល់មាត់រន្ធ, វៀល (ឲ្យរីកប្រហោង)
ENGLISH MEANING
noun
1.
An
enlargement
of the
upper
part
of a
hole
,
forming
a
cavity
or
depression
for
receiving
the
head
of a
screw
or
bolt
.
2.
A
drill
or
cutting
tool
for countersinking
holes
.
verb
—
past tense:
countersunk
;
past participle:
countersunk
;
present participle:
countersinking
;
1.
(TRANSITIVE)
To
chamfer
or
form
a
depression
around
the
top
of (a
hole
in
wood
,
metal
,
etc
.) for the
reception
of the
head
of a
screw
or
bolt
below
the
surface
,
either
wholly
or in
part
; as, to countersink a
hole
for a
screw
.
2.
(TRANSITIVE)
To
cause
to
sink
even
with or
below
the
surface
; as, to countersink a
screw
or
bolt
into
woodwork
.