Việt
sự khoan lỗ sâu
Anh
deep-hole drilling
deep-hole boring
long hole drilling
Đức
Tieflochbohren
Aufbohren tiefer Bohrungen
deep-hole boring, deep-hole drilling
Tieflochbohren /nt/CNSX/
[EN] deep-hole drilling
[VI] sự khoan lỗ sâu
Aufbohren tiefer Bohrungen /nt/CNSX/
[EN] deep-hole boring