Việt
lỗ
Anh
corner hole
Đức
Eckloch
Eckschuss
Pháp
trou d'angle
Eckloch,Eckschuss /ENERGY-MINING/
[DE] Eckloch; Eckschuss
[EN] corner hole
[FR] trou d' angle
Eckloch /n -(e)s, -lôcher/
lỗ (bàn bi-a); Eck