Việt
lỗ quan sát
cửa quan sát
lỗ nhìn
Anh
observation hole
bye hole
peep hole
peephole
sight hole
Đức
Schauloch
Beobachtungsöffnung
Guckloch
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 quan sát
Schauloch /nt/SỨ_TT/
[EN] observation hole
[VI] lỗ quan sát, cửa quan sát