查询词典 drill block

Ten alleles sequenced had the same modular structure, starting with a repeat block of Type 3 followed by a block of Type 1 before the central block of Type 3 (313) at 5'end, and starting with a repeat block of Type 4 followed by the central repeat block of Type 3 (43) at 3'end.

另一种为新发现的变异核心序列，暂命名为7型（type 7）。10个等位基因具有相同的模块结构，在5'端表现为：3型一1型--3型（313）排列，在3'端则表现为：4型一3型（43）排列。

Prepared by Tom Sheeran Drill string Drill bit The hoisting equipment consists of: a crown block, a traveling block, drilling line, and a drawworks to pull the drilling line up or down.

Prepared by Tom Sheeran 钻柱钻头起重设备由以下部分组成：天车，游动滑车，游动钢丝绳，和一个用来起降游动钢丝绳的绞车。

It is difficult to drill or can not drill if we use routine methods, using through down-hole hammer air drill method not only raise rate of drilling, but also reduce pollution to the aquifer, promoting exploration and development for the deep underground water.

利用贯通式潜孔锤多工艺空气钻进方法不仅能提高钻进速度，而且能减少对含水层的污染，为深层地下水的勘探开发提供了技术支持。

Drill and drill bits, a bench drill press can also be a great addition to your shop.

手钻和钻头，钻床也可能是到你的店铺一个很棒的添加。

Cemented carbides product: Cemented carbides saw, blade, tool, drill bit, mould, Spray nozzle, seal, muzzle, hammer, Roller, rock drill, Semi-finished materials, Indexing blade, stick materials, long thin slice, plate, denticle piece, Impact drill, Ball, wooden blade, Ramming Mould, Valve, Boat pan and other products.

硬质合金制品：硬质合金圆锯片、刀具、工具、钻头、模具、喷嘴、密封件、顶锤、轧辊、钎具、坯料、可转位刀片、棒材、长条薄片、板材、锯齿片、冲击钻片、球、木工刀头、拉拔冲压模体、阀门、舟皿、非标准耐腐耐磨结构件及各种非标硬质合金制品、其它深加工产品

Scrap carbide recycling: tungsten steel, tungsten alloy scrap, grinding materials, waste PCB drill bits, tungsten carbide tools, tungsten scrap powder, tungsten carbide powder, tungsten steel scrap, carbide grinding materials containing tungsten scrap, alloy grinding material, milling insert, drill bits, cutter, CNC cutter, wire cutting tungsten steel molds, drawing dies, round cut knife, saw blade, top hammer, PCB drill bits, V-CUT knives, knife handle, high proportion of alloy, non-magnetic alloys, tungsten carbide powder, tungsten wire cutter, such as tungsten tool steel scrap.

废硬质合金回收：钨钢、钨合金边角料、磨削料、废PCB钻头、钨钢工具、废钨粉、钨钢粉末、钨钢废料、硬质合金磨削料、含钨废料、合金磨削料、铣刀片、钻头、立铣刀、数控刀具、线切割钨钢模具、拉丝模具、圆切刀、锯片、顶锤、PCB钻头、V-CUT刀、锣刀、高比重合金、无磁合金、钨钢粉末、钨绞丝等各种钨钢废工具。

When I purchased my new torch I also got an 1-1/16" drill bit with a morse taper on the end. I had to turn the taper off as my drill press would not accept this size. I turned it down to just over 1/2" in order to fit it in my drill chuck.

当我购买了我的新的火炬，我也得到一个1-1/16 "钻头与摩士锥度就结束，我已经把锥度小康作为我的钻床不会接受这样规模的，我把它下降到刚刚超过1 / 2 "，以适应它在我的钻夹头。

In order to avoid repeating job in the most extent and improve efficiency of design, using the idea of structure parametric design. Based on APDL, the FEA drill chuck model can be easily created by adjust several geometric parametric and the process of FEA is automatically executed.This paper discusses the affections of different parameters for the stress capability of drill chuck. The high efficiency drill chuck strength analysis system can help designer develop new products.

为避免重复工作和提高分析效率，本文结合ANSYS提供的二次开发参数化设计语言APDL，实现了对有限元分析软件ANSYS命令流的调用，解决了通用程序与专业需求之间的矛盾，完成了钻夹头有限元参数化程序分析，对钻夹头的强度性能进行了分析和仿真；模拟钻夹头实际生成过程中的性能测试试验，探讨加工误差引起的不同装配角度等参数对钻夹头强度性能的影响。

2 Mm(8)on Tarim Oilfield,the bending strength of failure drill collar is calculated and then it is found that the bending strength of drill collar doesn t match condition of wells lead to failure of drill collar,which is the main reason.

对失效钻铤的弯曲强度比进行了计算，结果表明，弯曲强度比与井况不匹配是造成钻铤失效的主要原因。

It is pointed out that the essential drilling problem is the unsuitability of the drill pipe,drill collar,drill bit and drilling equipment for the needs of deep large diameter wellbore drilling.

在系统分析了大直径井段中普遍存在的钻井问题的基础上，指出当前深井大直径钻井技术的根本问题，是钻具、钻头、钻井装备与大直径井眼的工艺要求不相适应。

When I started coding, I had problems with the ASF file writer.

当我开始编码，我曾与ASF文件作家的问题。

I know that in one of the schools the boys have risen up in the classroom and enlisted in a mass.

如果你们也和他们一样，是集体自愿的话，你们的老师将是多么地光荣啊。