查询词典 cutting bit

The cutting parameters of a PDC bit with a diameter of 311.2 mm were calculated by this method, and the calculated results show that this method can serve necessary theoretical basis for PDC bits selection of field and is easy to be applied.

该方法可为现场PDC钻头优选提供必要的理论依据，具有一定的实用性。

Grinding is a chip-making metal cutting process, every bit as much as turning or milling, except that it's performed on a "micro" level where the chips are too small to be easily seen and identified.

磨床磨削是芯片制造金属切削过程中，每一个位多达转折点或铣削，但它表现了一个"微型"的水平，芯片太小，容易看到，并确定了。

Drilling bit ; Cutting stress ; Measurement ; Computer program ; Data acquisition

钻头；切削力；测试；计算机程序；数据采集

It's a bit dodgy having to lean over when cutting something.

这有点躲闪不得不倾身时，切割的东西。

Many structural friction saw and composite bit tool have been prepared by us, the merits and drawbacks of them are determined by way of saw cutting test.

同时对锯片的直径，厚度和锯齿几何参数进行计算和确定，方便了在锯切加工中选择合适的刀具。

Main applicability: Welding of the miamond knife head, the carbide alloy saw bit , machine work use carbide alloy cutter welding, if the cutting tool welding such as miamond cutter , drilling tool , lathe tool , shaper tool , milling cutter , broach; Standard piece , hot bolt rammer, if high-strength bolt , nut etc.; Hardware implement , handwork implement heat treatment, if tongs , spanner , whorl utensil , hammer , axe; The accessory high frequency quenching sells the various automobile accessory , motorcycle at reduced prices, such as: Crank shaft , connecting rod , wrist pin , crank pin , sprocket , axial cam , air valve , various rocker arm , rockshaft; Within speed change box, the various gear wheel , castellated shaft , biography prop up high frequency quenching treatment such as half axes , various small axis , various shift fork; The part heat treatment , the high frequency quenching that the gear wheel , sprocket , various axis , castellated shaft , pin wait for if various handle metal; Mssingle of face slide way quenching sells machine tool industry machine at reduced prices waiting.

主要适用范围：金刚石刀头的焊接，硬质合金锯片、机械加工用硬质合金刀具的焊接，如金刚石刀具、钻具、车刀、刨刀、铣刀、铰刀等刃具的焊接；标准件、螺栓的热镦，如高强度螺栓、螺帽等；五金工具、手工工具的热处理，如钳子、扳手、旋具、锤子、斧头；各种汽车配件、摩托车配件的高频淬火处理，如：曲轴、连杆、活塞销、曲柄销、链轮、凸轮轴、气门、各种摇臂、摇臂轴；变速箱内各种齿轮、花键轴、传支半轴、各种小轴、各种拨叉等高频淬火的处理；金属零件的热处理，如各种齿轮、链轮、各种轴、花键轴、销等的高频淬火处理；机床行业的机床床面导轨的淬火处理等。

The results show that the new jet area formed by lateral jet minishes the coverage area of vortex at the bottom, and it plays an active role in cleaning the bottom; driven by the lateral jet, shear stress and pressure difference increase on cutting surface, which helps inhibit the growth of balling and cooling blade to improve bit performance.

研究结果表明：侧向射流形成新的射流区，减小了井底漩涡的覆盖面积，对井底清岩能起到积极作用；在侧向射流带动下，刀翼切削面的剪切力、压力梯度增大，利于抑制泥包的成长和冷却刀翼，提高钻头性能。

It's true that that for most people if you want to lose weight, it is going to have to involve cutting back a bit on how much you eat, but if you allow yourself nothing but rice cakes and unbuttered wheat toast, you turn yourself into a ticking time bomb that will go off onto the nearest piece of cheesecake.

的确，对大多数人来讲，为了减少体重，他们就必须在原先的饮食上削减一些。但如果除了米饭，蛋糕及没有奶油的烤面包你什么都不吃的话，你就会让自己成为一颗定时炸弹一样，在不经意的一块酪饼后，而体重突然暴增，所有的计划都付诸东流。

So Benoto Method,reverse circulation drilling with quadruple-wing drag bit s,drilling with roller-type cutting head and combined drilling technology was adopted as well as wall protection with mud,which is strictly districted in Hongkong and Macao.

根据工程的具体情况，采用贝诺特工法、反循环四翼刮刀钻头钻进、滚刀钻头钻进等组合钻进工艺，同时采用在港澳地区限制严格的泥浆护壁钻进。

Its range of 100km (62mi) from a lithium-ion battery back and 60hp (44kW) power output mean it will be limited to test-drives in the city, but that's where EVs are meant to shine anyway - cutting street-level pollution and noise, reducing petroleum dependence for 90% of travel needs and making the business of daily life just a little bit cheaper.

及其范围100公里（ 62mi ）由锂离子电池回和60hp （ 44kW ）的功率输出意味着将仅限于测试驱动器中的城市，但这是在电动汽车的目的是服务反正-切割街头污染和噪音，减少石油依赖的90 ％旅行的需要，使企业的日常生活只是一点点便宜。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了