常見例句雙語例句According to comparing with Chuanhe 137 Well, the characteristics and potentialities of optimizing drilling and jet drilling for deep well in northwestern Sicuan were analyzed.通過與川合137井對比，分析了川西北地區(qū)深井噴射鉆井和優(yōu)化鉆井的特點(diǎn)及潛力。The evolvement of rock damage during swirling water jet drilling is simulated on a nonlinear FEM and dynamic rock damage model, and a decoupled method is used to analyze the rock damage.依據(jù)所建立的損傷模型，利用非線性動力有限元方法，對旋轉(zhuǎn)水射流破巖鉆孔過程的過程進(jìn)行了模擬，其中巖石損傷場的求解采用解耦的方法。The results show that the course of rock break-off with high-pressure water jet drilling can be divided into two stages. In the initial stage, the stress wave plays a main role for breaking rock.研究結(jié)果表明，高壓水射流破巖鉆孔過程分為兩個階段，初期以應(yīng)力波作用為主，形成巖石損傷破壞的主體；權(quán)威例句From engine overhauls, to drilling out rivets to fixing faulty flaps, Boeing and Airbus-made passenger jet repairs are increasingly being done in third-world countries.FORBES: JetBlue Good For A Climb To $7So, for example, at the announcement where I talked about offshore drilling, I did so in front of an F-18, a fighter jet, that is actually going to be run half on biomass.WHITEHOUSE: Promoting Jobs and Growth Through Innovation 返回 jet drilling