percussion hammer

释义

叩诊锤；

Percussion hammer
PERCUSSION HAMMER
PERCUSSION HAMMER
Glossary 3 - techniques
LINEARLY DRIVEN AND AIR-COOLED BORING AND/OR PERCUSSION HAMMER
Weir Mitchell's 1859 demonstration of "a peculiar contraction"produced by a percussion hammer.
Improve ROP with Hydraulic Percussion Hammer and PDC Bit in Tahe Oilfield
PERFORMANCE OF NITROGEN EXPLOSION HYDRAULIC: PERCUSSION HAMMER BASED ON MEASRUEMENT OF EXPANDED KALMAN FILTER
A NEW PERCUSSION HAMMER.
Fluid Percussion Hammer Field Test in the Alocthonous Cretaceous Block, Eastern Venezuela ™
Quantitative neural percussion hammer
Drillhammer and/or percussion hammer.
Rock Breaking Model Under Dynamic Load with the Application of Torsional and Axial Percussion Hammer