Việt
lỗ nhìn
lỗ thăm
Anh
peephole
bye hole
observation hole
peep hole
sight hole
Đức
Beobachtungsöffnung
Guckloch
Schauloch
Pháp
lunette
mouchard
regard
bye hole,observation hole,peep hole,peephole,sight hole /INDUSTRY,ENG-MECHANICAL/
[DE] Beobachtungsöffnung; Guckloch; Schauloch
[EN] bye hole; observation hole; peep hole; peephole; sight hole
[FR] lunette(B); mouchard; regard
lỗ nhìn, lỗ thăm