| 单词 | percussive drilling |
| 释义 |
percussive drilling听听怎么读
[p?:?k?siv ?drili?]
是什么意思 冲击钻探； 学习怎么用 权威例句PercussiveDrillingDiamond rock tools for percussive and rotary crushing rock drillingDynamics of ultrasonic percussive drilling of hard rocksA theoretical and experimental study of the percussive drilling of rock part I—theory of percussive drillingA theoretical and experimental study of the percussive drilling of rock Part II—force-penetration and specific energy determinationsA theoretical and experimental study of the percussive drilling of rock Part IV—application of the model to actual percussion drill...Automatic monitoring of rotary-percussive drilling for ground characterization—illustrated by a case example in Hong KongA theoretical and experimental study of the percussive drilling of rock part III—experimental verification of the mathematical theoryRotary and percussive drilling prediction using regression analysisMicrocomputer simulation of stress wave energy transfer to rock in percussive drilling
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