潜孔钻头,down-the-hole bit英语短句,例句大全

潜孔钻头,down-the-hole bit
1)down-the-hole bit潜孔钻头
1.Numerical simulation on bottom-hole flow field of down-the-hole bit;潜孔钻头井底流场数值模拟研究
2.The failure cause was found by analyzing high pneumatic down-the-hole bit bursting crack and the other reasons in the early stage.对高风压潜孔钻头使用时钻头体崩块、掉齿等早期失效情况进行分析,找到其失效原因。

英文短句/例句

1.Finite Elemtnt Analysis of 3-D Elastoplastic for DTH Bits潜孔钻头本体三维弹塑性有限元分析
2.Simulation analysis on the downhole bit based on LS-D YNA and optimization of tooth distribution基于LS-DYNA的潜孔钻头仿真分析与布齿优化设计
3.Downhole drill hammers and drillsGB/T13344-1992潜孔冲击器和钻头
4.Study on DTH with Self-propelled Round Bit and Its Simulation Analysis;钻头自回转型潜孔锤研究及仿真分析
5.Penetration Mechanism of DTH Percussion Compact Drilling and Experimental Research on Compact Bit;潜孔锤冲击挤密钻进机理及挤密钻头的设计与实验研究
6.Experimental and Drill Bit Flow Field Analyze of Run-through DTH Reverse Circulation Drilling Technique;贯通式潜孔锤反循环钻进技术试验及钻头流场分析
7.A tool used for drilling.钻头用于钻孔的工具
8.A pointed and threaded tool for drilling and boring that is secured in a brace, bitstock, or drill press.钻头曲柄、钻柄或钻床之上用于钻孔的尖头工具
9.diamond-particle bit潜铸型细粒金刚石钻头
10.Using a drill, he bore a hole through the wood.他用钻孔机在木头上钻了一个孔。
11.Drilling is cutting a hole with a drill.钻削就是用钻头钻一个孔。
12.Development of core drill equipment for combined underwater drill rammer of rock built-in pile hole嵌岩桩孔组合潜孔锤取心钻具的研制
13.On application of DTH drill in drilling pile construction in karst developing areas潜孔钻在岩溶发育地区钻孔桩施工中的应用
14.A needle-shaped drill for boring holes in rock or masonry.钻头，钻石器，钻孔器用于在岩石或砖石上钻孔的针形钻
15.Many of the stones have holes drilled through them.许多石头钱都钻有孔。
16.To drive(a screw or bolt)into a countersink.将钻或螺栓置入埋头孔
17.bolt or cotter-pin drill螺栓或开尾销孔钻头
18.To make a hole in (a hard material) with a drill用钻头在(硬材料)上打孔.

相关短句/例句

down-the-hole drill bit潜孔钻头
1.Numerical simulation of inner field for three different kinds of down-the-hole drill bits;三种端面形状的潜孔钻头流场CFD数值模拟仿真
3)DTH hammer bit潜孔锤钻头
1.The process,impacting concrete slab with tungsten carbide button of DTH hammer bit,was simulating calculated by non-linear finite element software LS-DYNA3D on concrete model,the effects of different target mesh sizes of concrete on impaction force,impact velocity and penetration depth was discussed.潜孔锤钻头冲击钻进的过程是一个高度非线性、大变形、破坏的过程。
4)Spline down the hole bit花键潜孔钻头
5)boring bit钻孔钻头
6)DTH Drill潜孔钻机
1.In the case of Model CS-165E DTH drill for opencast mining,SPT-K-2024 controller was used as key component of electric-hydraulic control system.CS-165E露天潜孔钻机采用SPT-K-2024控制器作为电液控制系统的核心部件,由SPT-K-2024控制器直接驱动电液比例阀和电磁阀,接受传感器信号;通过CANO-PEN总线实现2个控制器和一个SPT-X-AT2纯文本显示器组网,极大地提高了系统的稳定性和可靠性。
2.In order to meet the need of the large-diameter longhole drilling in underground mines and the control of slope in open pit mines,entrusted by the Chinese govern-ment,Changsha Institute of Mining Research(CIMR)carried out a study on high pressurepneumatic DTH drill.为了满足地下矿山大孔径深孔凿岩和露天矿山边坡控制的需要，我院受国家之命开展了高气压潜孔钻机的研究工作；自１９８０年以来先后研制成功几种典型产品并在矿山付诸应用。
3.Based on the analysis of actualities and development situation of DTH drill abroad,and compared with actualities of DTH drill at home,a development thought for our country at present is put forward.潜孔钻机以其特有的凿孔特点占据了很大一块市场。