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1·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。

2·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。

3·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；

4·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。

5·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。

6·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。

7·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。

8·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。

9·In a minute Jimmy's pet drill was biting smoothly into the steel door.

不一会儿，吉来心爱的钻头已顺利钻进了钢门。

10·In a minute Jimmy's pet drill was biting smoothly into the steel door.

不一会儿，吉米心爱的钻头已顺利钻进了钢门。