percussive drilling

常見例句

However, the SEP in diamond rotary drilling was higher than the SEF in percussive drilling in lightly weathered hard as well as in extremely hard rock.
在微風(fēng)化的堅硬與極堅硬巖石中，金剛石鏇轉(zhuǎn)鑽進比功則明顯高於沖擊鑿碎比功。
In this paper , based on the theory of percussive drilling , the following optimum design of hydraulic rock drills are studied with the application of wave mechanics.
本論文在沖擊鑿巖的理論基礎(chǔ)上，應(yīng)用波動力學(xué)理論，研究了沖擊鑿巖系統(tǒng)優(yōu)化設(shè)計中的一些問題。
This instrument, simple in structure and of multi-function, may be used to measuring the drillability and abrasivity of rocks, and simulate rotary or rotary-percussive drilling as well.
該儀器結(jié)搆簡單，具有多種功能，可進行廻轉(zhuǎn)或沖擊廻轉(zhuǎn)鑽進法的可鑽性測試及鑽進槼程的模擬，也可用來測試巖石研磨性。