查询词典 fiddle drill

Its most major and most complicated problems are the analysis of drill point mathematical models and drill grinding theory, which is the foundation of drill grinder design.

而各种先进钻型数学模型的建立及刃磨理论的研究是钻头自动化刃磨技术的研究的重点和难点，它是钻头刃磨机设计的理论基础。

It will promote the progress of hole making thechique and accelerate the automatization course of the tool production in our country. In addition, the author analyzes a drill grinding unit on a machining center and present a new grinding model for grinding four-plane facet drill points, which will be a new way of drill grinder design.

此外，作者还分析了一台加工中心上的钻头刃磨装置，提出了一种两轴合成四平面钻尖的刃磨理论，并对其应用前景进行了初步探讨，为钻头刃磨方法和刃磨机的研制开辟了一条新的途径。

A third kelly cock is generally kept on the drill floor to be used in the drill string in the event flow up the drill string occurs while making a connection or tripping pipe.

第三个方钻杆旋塞通常保留在钻台上，当连接或起下钻时发生钻柱内向上流动的情况下用于钻柱。

Comparing the quality of the three methods of making hollow drill steel,"drill-hole and hot-rolled with core"method is best. The present paper indicates that the prolonging life mechanisms of the new drill rod include four aspects.

本文给出H22-40SiMnCrNiMoA锥体连接钎杆制造工艺，运用&钻孔-带芯热轧法&、&热穿-热拔法&、&热穿-热轧法&三种工艺加工的H22-40SiMnCrNiMoA试验钎杆中，&钻孔-带芯热轧法&各方面的质量都是最好。

DDX auto pinning machine is used to make reference positioning pin prior to drill the laminated plates of etched circuit card on drill machine to ensure that the numerical controlled drill machine for etched circuit card can manufacture premium puoducts.

DDX全自动钉销机用于印制电路叠层板在印制电路板数控钻孔前钻作基准定位销钉，从而保证印制电路板床能加工出高品质的产品。

Bulk volume of the volume of block block block caliper micrometer-specific block, such as special types of straight shank drill bits Serratula straight shank long twist drill set, such as alloy straight shank twist drill reamer type of hand reamer straight shank straight shank machine reamer taper shank machine reamer and other types of coarse tooth cutter straight shank cutter tooth taper shank Rough Milling fine-tooth cutter straight shank end mill, such as hand-tap machine tap tap tap left teeth straight pipe tap, such as garden die die die left teeth straight pipe die die US-made of other alloys such as Alloy blade machine Segment saw blade, such as gear type inverted roller gear Gear planing cutter knife disc-shaped gear gear shaper cutters, such as factory outlets: cast iron flat, square boxes, granite slab, square and so on.

量块 散量块卡尺专用块千分尺专用块等钻头类直柄麻花钻直柄长麻花钻镶合金直柄麻花钻等铰刀类直柄手铰刀直柄机用铰刀锥柄机用铰刀等铣刀类粗齿直柄立铣刀粗齿锥柄立铣刀细齿直柄立铣刀等丝锥手用丝锥机用丝锥左牙丝锥直管丝锥等板牙园板牙左牙板牙直管板牙美制板牙等其他合金刀头合金刀片机用锯条等齿轮倒类齿轮滚刀齿轮刨刀齿轮铣刀盘形插齿刀等厂家直销：铸铁平板、方箱、花岗石平板、直角尺等。

The entire crew need not be involved in every drill,but each crew member must participate in an abandon ship drill and a fire drill each month as required.

每次演习中不必全体船员都参与，但是每一船员都必须按要求每月参加1次弃船和消防演习。

It is recommended to start development of offshore drill ship. It is preferred to modify the petroleum exploration drill ship into NGH drill ship. Turbine rotating will be considered to counteract the ocean tides to obtain dynamic balance so as to ensure the stability of the NGH sampling operation.

并建议开展海洋钻井船的研制工作，可优先考虑将石油勘探钻井船改装成天然气水合物勘探钻井船；同时还要保证其取样位置的稳定性，可采取动平衡原理，通过涡轮旋转来抵消海流的作用。

Employing the method of complex helical drill point design,the formula of the clearance angle of inner cut edge for the socket drill is derived and the relationship between the clearance angle and the slantwise angle of the inner cut edge is deduced to innovate the design and manufacture of the socket drill.

通过复杂螺旋面钻尖设计方法导出锪窝钻钻尖内刃后角公式及内刃后角与内刃偏角的关系表达式，改进了锪窝钻的设计与制造。

Our special and rock drill steel company total investment of 500 million s , it ' s customized produce the rock drill steel for our products, we can produce almost all kinds of rock drill steel, in the production process, H22 Rod have the largest production output , it ' s using the material of 40SiMnCrNiMo （ Silicon, Manganese, Chromium, Nickel, Molybdenum ）, and it ' s performance are better than the rod use the material of 95CrMo and 55SiMnMo.

我们的特钢公司总投资额5个亿，是专门为钎具钢而设计的，几乎能生产所有钎具钢，在生产过程中，H22钎杆的生产量最大，采用的是40SiMnCrNiMo这种材料，性能比95CrMo和55SiMnMo都要好一些，因质量稳定，供货及时，价格合理，我们公司很快成为中国最大的H22钎杆供应商之一。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。