潜孔钻机 downhole drill ; [矿业] down-the-hole drill ; diving drill ; downhole e drill
潜孔凿岩机 burrow rock drill ; downhole rock drill
履带式潜孔钻机 crawler drill
高架式潜孔钻机 drillmaster
潜孔穿孔器 in-hole perforator
潜孔钻头 DTH Bits ; [矿业] down-the-hole drill bit ; drilling down-the-hole bit
潜孔锤钻进 Down hole hammer drilling
潜孔冲击器 down-hole hammer ; [矿业] downhole air hammer
液压潜孔钻机 Hydraulic hole drill ; Hydraulic manholes wrenches ; Hydraulic downhole drilling rig
潜孔冲击系统的动力学研究。
本文主要论述了空气潜孔锤跟管取心钻进规程。
This paper discusses the procedures of DTH hammer and core drilling with casing.
碟形弹簧的载荷变形关系直接影响潜孔锤系统振动特征。
Disc spring load-deformation characteristics can directly affect pneumatic DTH hammer system vibrations.
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