In theory, the Army could use such a system to approach targets covertly and drill through concrete, steel, wood, or other materials from a stand-off distance equal to the length of a football field.
理论上，美国陆军将利用该系统实现某些目标，既通过远距离(超过一个足球场的距离)的设备对混凝土、钢铁、木头以及其他材料进行隐蔽的击穿作业。
Assemble drill to break through the first layer of crust, the crew deploys a steel pipe with an 11-inch-wide drill bit at the bottom.
为了突破第一层地壳，船员们使用底部装有11英寸宽的钻头的钢管。
The drone of insects is interrupted by a high-pitched drill and the clang of hammers as workers put the finishing touches to the perfectly aligned steel tracks.
当工人们对排放整齐的铁轨进行最后的修整时，刺耳的钻动声和锤子的当啷生淹没了虫子的鸣叫。
The sticking steel is one common trouble of drilling equipment and an important cause effecting the high efficiency and high quality drilling of hydraulic drill.
卡杆现象是穿孔设备常见的故障之一，是影响液压凿岩钻机高效率、高质量穿孔的重要原因。
The effect of different steelmaking processes on mechanical properties of steel, especially on impact toughness of steel for drill color has been studied.
研究了冶炼工艺对钢力学性能的影响，特别是对钻铤用钢冲击性能的影响。
In order to meet the Tarim Oil Field 's demand for high toughness drill pipes, Baosteel has trial-produced ultra-low sulfur and phosphorus steel for drill pipes.
为了满足塔里木油田对高韧性钻杆的需求，宝钢试制超低硫低磷钻杆用钢。
Basically it consists of a clamping device to hold the part in position under hardened-steel bushings through which the drill passes during the drilling operation. The drill is guided by the bushings.
它基本上由在淬硬钢衬套下将零件夹持到位的夹持装置组成，钻孔作业中钻头穿过这些衬套，通过它们来导向。
Even pace is a piece of rock, it would burst out sparks, as long as you pick up the hammer drill steel.
即使脚步下是一片岩石，它也会迸发出火花，只要你拿起铁锤钢钎。
For improving the quality of hot drawn hollow steel drill, the total quality control must be adopted though the whole process (from steelmaking to finished product).
文章指出，为了提高热拔中空钢的质量，必须从冶炼开始对全部工序进行质量控制。
The results show: drill steel type "PU-1" has good H2S stress corrosion resistant and weldability, which can be used for structures with high economical profit and society significance.
对“PU-1”钢和焊缝合金断裂行为的研究结果表明，“PU-1”钻材钢抗H2S应力腐蚀性能和焊接性能较好，应用于结构钢构件具有显著的经济和社会效益。
Series produced by the tool are: woodworking cutter, alloy discharge drilling, drill steel front, the fork blade, back blade, vertical knife, circular saw blades, etc.
公司生产的刀具系列有：木工铣刀、合金排钻、锋钢钻头、叉刀、背刀、立轴刀、圆锯片等；
In well-drilling project, corrosion of drill steel and pipeline is ubiquitous phenomena.
油田钻具和管道系统腐蚀是油田工程中普遍存在的问题。
Test results show that such steel can be mass produced with technology of a large converter plus the secondary refining, which can insure drill pipes for the transverse impact toughness.
试验表明，采用合适的冶炼工艺，大型转炉加炉外精炼能够批量生产超低硫低磷钻杆用钢，使钻杆获得高横向冲击韧性。
The S135 drill pipe steel was selected as the research object in the paper; the oxygen corrosion and corrosion fatigue be.
本文选用S135钻杆钢作为研究对象，进行钻杆钢的氧腐蚀和腐蚀疲劳行为研究。
In order to enhance the service hfe of hollow steel for rock drill stem, the odd number side section shape hollow steel has been designed.
为了提高凿岩钎杆用中空钢的使用寿命，设计了奇数边截面形状的中空钢。
Common round steel or steel tube may be rolled into solid or hollow twist drill rods by using the said rolling mill.
普通元钢或普通钢管经此轧机后，可直接变成实心或空心麻花钻杆钢。
After the water quenching of the drill pipe steel grade, the cooling method of drill pipe welds is changed to the quick water cooling instead of the previous high-pressure air cooling.
钻杆钢种水淬化后，焊缝热处理的冷却方式由以前的高压空气冷却转变为快速水冷却。
In this paper, the effects of chemical composition of the steel for oil drill collar on its properties were studied and the heat treatment process were optimized.
研究了石油钻铤用钢的化学成分及其对性能的影响，并优化了热处理工艺。
Piling steel pipe, also known as drill pipe, is transcribed, or strip steel plate riveted through the coil after forming the pipes lead.
是用誊写钢版或者带钢通过卷曲成型后铆接酿成的钢管。
Wear-resistant materials, a connecting flange and a drill rod by high carbon steel finishing.
材质耐磨，连接法兰和钻杆采用高碳钢精加工。
The company's sales YG drill, stainless steel drills, welcome all the friends to visit.
本公司销售YG钻头，不锈钢钻头，硬质合金钻头等多种，欢迎各界朋友的光临。
Steel Series: steel with high strength large hexagon head bolts, torsion shear bolt connections made, the steel truss joints of high strength bolts, studs, drill the end of wire.
钢结构系列：钢结构用高强度大六角头螺栓，扭剪型螺栓连接副，钢网架球节点用高强度螺栓，焊钉，钻尾丝等。
The high seam drill 2000 is stainless steel construction and the cylinder rods of the 1st inner legs of the stinger and drill leg are stainless steel.
这种厚煤层钻孔机2000是不锈钢结构，钻头第一内部腿架的活塞杆和钻孔机支架都是不锈钢的。
Main products include ductile manhole covers, composite resin covers, drill rod cement covers, galvanized steel grating, polymer alloy covers, cast iron manhole covers, flower bar, cast iron pipe.
主营产品有球墨井盖、复合树脂井盖、钢钎水泥井盖、镀锌钢格板、合金高分子井盖、球墨铸铁井盖、铸铁井盖、花栏、铸铁管等。
Main products include ductile manhole covers, composite resin covers, drill rod cement covers, galvanized steel grating, polymer alloy covers, cast iron manhole covers, flower bar, cast iron pipe.
主营产品有球墨井盖、复合树脂井盖、钢钎水泥井盖、镀锌钢格板、合金高分子井盖、球墨铸铁井盖、铸铁井盖、花栏、铸铁管等。
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