船员们从这根钢管的顶部,一根一根地装上更多管道,直到这根“钻柱”足够长,能碰到海底。
The crew attaches new lengths of pipe one by one from the top until the “drill string” is long enough to hit the seafloor.
船员们从这根钢管的顶部,一根一根地装上更多管道,直到这根“钻柱”足够长,能碰到海底。
The crew attaches new lengths of pipe one by one from the top until the "drill string" is long enough to hit the seafloor.
因为有长钟摆,最初的时钟是放在墙上的搁板上,再在搁板上钻个洞把长钟摆穿过去。
At first this meant that clocks were set on shelves high on the wall with a hole cut in the shelf for the pendulum to hang through.
一个钻取机通常有数十米长而且只能获取一个与之等长的冰芯。
A drill assembly is typically a few tens of metres long and can only hold a core of ice of the same length.
印度的印度羚羊长有圈状角,看起来像别致的大瓶塞钻。印度羚羊可以在黑夜中优雅地跳跃。它们通常是中等个儿的羚羊。
The blackbuck of India has ringed horns that look like giant, fancy corkscrews. Blackbucks can leap very gracefully through the night. Usually they are medium-sized antelopes.
针对中国电影博物馆工程使用长螺旋钻管内泵压CF G桩复合地基施工技术作了一些有益的尝试、研究和总结。
The construction technique of CFG piled composite foundation by long auger boring methodology is studied and summarized according to the project of China Film Museum.
PD C钻头用于软到中硬的均质地层钻进具有钻速高、寿命长等特点,但不适合含砾石地层和软硬交错地层。
PDC bits have been used to drill the homogeneous formation from soft to medium-hard, but they are not suitable for drilling in gravel and multi-interbedded formation.
通过分析长螺旋钻机在切削各类土质时,钻具的角速度与土块运动机理关系,提出确定钻具临界的方法,而工程施工中钻杆的实际转速应大于临界转速,以提高钻机的工作效率。
An analysis related to various kinds of soil cutting by earth auger, this paper puts forward that running speed of frill should be faster than critical speed so as to increase the efficiency of drill.
PD C钻头具有钻进时间长、机械钻速高、起下钻次数少等特点,使用PD C钻头可大大提高钻井速度。
PDC bit have advantages of high penetrate rate, long bit life which saving tripping times so that the application of PDC bit can improve drilling efficiency.
文中介绍了这种新型长麻花钻的特点,主要设计参数的确定以及使用时的有关注意事项。
The article tells characteristics and main parameters of said drills, and the correct way to use them.
在此砂岩透镜体的长轴上新钻的营67井,也遇到这层砂岩透镜体。
This sandstone lens was also encountered in Ying 67 hole, which was newly drilled on the longitudinal axis of the sandstone lens.
这把天地锁面板长64厘米,重17公斤,全由手工雕刻、纯铜锻造而成,并镶嵌着1500颗碎钻,璀璨夺目。
This grows face plate of lock of heaven and earth 64 centimeters, weigh 17 kilograms, forging by manual sculpture, pure copper completely and become, enchasing 1500 to break auger, bright is dazzling.
单动双层岩芯管钻具结构简单、操作方便、同轴度好、适用寿命长,能有效地提高岩、矿芯的完整度。
The swivel-tube barrel can effectively increase core recovery rato. suitable for drilling in formations in which oblique hole comes easy. It is effective to assure hole quality.
长螺旋钻管内泵压CFG桩施工技术在太原部分地区扰动敏感性土中应用时,常出现严重缩径质量问题。
Serious necking quality problems often appear when the CFG piles construction technology of long spiral drill pipe by pump pressure apply in some disturbed sensitive soil areas of Taiyuan.
长螺旋钻管内泵压CFG桩,是一项CF G桩复合地基新技术。
Pressure pumped CFG pile by continuous auger drilling is a new technology of CFG pile composite foundation.
从而减小了轴向力,使钻头定心稳、寿命长,提高了钻削速度和工作效率。
So the axial force is reduced, the fixing centre of the concave bit is stable and the concave bit has a long lifetime.
前因后果 2月21日,买家在一个三钻卖家店里买了一双高靴子,在取左脚鞋子的垫纸时发现前脚掌有一枚约三厘米长的钉子,钉尖朝上。
Context Feb. 21, buyers in a three drill seller store bought a pair of boots, high in the paper from his shoes when found a forepaws about 3 cm long, pointed towards the nail nails.
他击中24分,举行库克到仅9,并钻了一个25英尺长,在蜂鸣器交付最后第二场胜利。
He hit for 24 points, held Cooke to just nine, and drilled a 25-footer at the buzzer to deliver a last-second victory.
他击中24分,举行库克到仅9,并钻了一个25英尺长,在蜂鸣器交付最后第二场胜利。
He hit for 24 points, held Cooke to just nine, and drilled a 25-footer at the buzzer to deliver a last-second victory.
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