查询词典 tip of drill

From an angle of engineering application, this paper dealt with the wavelet packets decomposition principle and its energy spectrum monitoring theory, which were used to extract the features of drilling force signals. Meanwhile, with an aim at the strong randomization and uncertainty characteristics between the feature vectors and drill wears in drilling process, a kind of drill wear monitoring method based on Hidden Markov Model was presented.

从工程应用的角度论述了小波包分解原理及其能量谱监测理论，并将该理论应用于钻削力信号特征提取中，针对钻削过程特征矢量与钻头磨损之间具有较强的随机性和不确定性的特点，提出一种基于隐马尔可夫模型的钻头磨损监测方法。

Its main products include high-performance diamond bit of oil, drill work, such as underground power drill.

其主要产品有高性能的石油金刚石钻头、工程钻头、井下动力钻具等。

Based on the researches, new type products of geological engineering diamond drill bits series have been developed. The factory has 5 patented techniques. The key technology enjoys wholly independent intellectuar rights. The factory becomes one of the professional producers of diamond drill bits at home.

在此基础上研制开发了新型的金刚石地质工程钻头系列产品，拥有相关技术的国家授权专利5项，主要的核心技术拥有完全的自主知识产权，成为国内金刚石钻头的专业生产厂家之一。

Diamond drill bit, alloy drill bit and steel roller shrill b it and so on are available for drilling according to different geological structures.

根据地质结构的不同，可选用金刚石、合金及钢粒等钻头进行钻进。

Our products mainly include resin bond diamond grinding wheel, metal bond diamond grinding wheel, adamantine drill, geological drill as well as other diamond products made upon the demands of the customers.

主要产品有：树脂结合剂金刚石砂轮、金属结合剂金刚石砂轮、金刚石工程钻头、地质钻头及根据客户所需求的各种金刚石制品等。

BHA: including a solder, the composite films and diamond drill bits, and the hollow steel drill pipe.

钻具：包括各种钎具、复合片钻头和金刚石钻头，中空钢和钻杆。

Hand-Drill: I have a small wooden handle double-ended drill which I use for drilling 1-2mm holes in baked beads.

手动打孔器：我有一个小的双头手动打孔器，我用这个在烘好的珠子上穿1-2毫米的孔。

The drill is usually mounted in a drill chuck or held in a bushing and fed into the rotating work.

钻头通常安装在钻头卡盘或轴衬中，并向旋转的工件进给。

Based on the idea of the structure parametric design method, the parametric finite element model of drill chuck with complicated spiral surface character was established.'The related key technologies of drill chuck's strength analysis were discussed and solved, such as the contact analysis parameters selection, the boundary conditions and the load processing, ANSYS command一string building and so on.

本文采用结构参数化设计方法建立了含有复杂螺旋曲面特征的钻夹头参数化有限元模型；探讨和解决了钻夹头夹紧强度分析中夹爪与螺母接触分析参数的选择、约束边界和载荷处理、分析流程文件创建等关键技术问题。

First, the company tapping chuck Series Products: 1, S-type precision attack dual-use overload protection drill chuck series 2, Z-type drill chuck attack torque protection 3, L-type quick-style tapping chuck / L-cone-style fast tapping chuck 4, G-type torque protection of tapping chucks 5, T Series integration Tapping chuck 6, J-type floating tapping chuck 7, F-type full-floating silk attack folder the first 8, W-type import tap tapping chuck.

一、公司攻牙夹头系列产品：1，S型精密攻钻两用过载保护夹头系列2，Z型钻攻扭矩保护夹头3，L型快捷式攻丝夹头/L型内锥快捷式攻丝夹头4，G型扭矩保护攻牙夹头5，T系列一体化攻丝夹头6，J型浮动式攻丝夹头7，F型全浮动丝攻夹头8，W型进口丝锥攻牙夹头。

Salt is good, but if the salt becomes flat and tasteless, with what do you season it?

14：33 盐本是好的，盐若失了味，可用什么叫它再咸呢？

He reiterated that the PLA is an army of the people under the leadership of the Communist Party of China.

他重申，人民解放军是在中国共产党领导下的人民军队。