As the diamond tip of the drill revolves, it is lubricated by mud . 钻探机的金钢石钻头转动时,由泥浆起润滑作用。
Give me your hand ! let go of the drill 把你的手伸给我!别管钻探机了!
You let jason operate the drill 你让詹森一个人去操作钻探机?
Until recently , scientists havebeen unable to devise a drill which would be capable of cutting through hard rock at greatdepths 直至今日,科学家尚未能设计出一种能钻透极深处坚硬岩石之钻探机。
Tunneling machines - shield machines , thrust boring machines , auger boring machines , lining erection equipment - safety requirements ; german version en 12336 : 2005 隧道掘进机.盾构机止推钻孔机螺旋钻探机衬里安
Prices have also been driven higher by new mines taking longer than expected to develop , because both skilled workers and specialist equipment such as drills have been in short supply 此外,由于熟练工人和钻探机等专业设备都面临短缺,新矿开发时间超过预期,也推高了价格。
This paper introduces the hydraulic driven driller and tools which aim at sampling without disturbing the sample . they are mostly used to sample in the lakes and loess layer 本论文介绍了环境取心钻探机具系列中的一套:松散地层原状取心全液压钻探机具,主要应用于湖泊,黄土等环境的取样。
In accordance with the increasing need of the drilling missions and the developing actuality of environmental and scientific drilling machines , we have designed the drill machines and drill tools , and put forward the technology rules 针对日益增长的环境科学取心钻探任务的需要,以及我国在环境取心钻探设备领域的研制现状,我们设计了满足该需求的钻探机具,并提出了相应的钻进工艺规程。