|
|
|
|
|
|
|
|
|
Nondiamond core drill
| Diamond Glossary (алмазы и бриллианты - глоссарий терминологии) |
A rotary or percussive-type drill equipped with core-cutting tools or bits the cutting points of which are not inset with diamonds.
|
|
Percussive, английский
A ударный timbre, transition
|
Diamond core drill, английский
A rotary-type drill machine using equipment and tools designed to recover rock samples in the form of cylindrical cores from rocks penetrated by boreholes. see core drill, diamond drill.
Long-hole drill, английский
A rotary- or a percussive-type drill used to drill underground blastholes to depths exceeding 10 feet. compare long hole.
|
|
|
|
|
|
|
