percussive drilling

常見(jiàn)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(jiān)硬與極堅(jiān)硬巖石中，金剛石旋轉(zhuǎn)鉆進(jìn)比功則明顯高于沖擊鑿碎比功。
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(dòng)力學(xué)理論，研究了沖擊鑿巖系統(tǒng)優(yōu)化設(shè)計(jì)中的一些問(wèn)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)構(gòu)簡(jiǎn)單，具有多種功能，可進(jìn)行回轉(zhuǎn)或沖擊回轉(zhuǎn)鉆進(jìn)法的可鉆性測(cè)試及鉆進(jìn)規(guī)程的模擬，也可用來(lái)測(cè)試巖石研磨性。