Việt
lỗ khoan thăm dò
Anh
exploratory boring
trial bore
exploratory well
pioneer well
prospect hole
test hole
test pit
Đức
Aufschlussbohrung
Pháp
sondage de reconnaissance
trial bore,exploratory boring
exploratory well, pioneer well, prospect hole, test hole, test pit, trial bore,exploratory boring
exploratory boring /ENERGY-MINING/
[DE] Aufschlussbohrung
[EN] exploratory boring
[FR] sondage de reconnaissance