两锤体圆透孔圆心之间的距离满足碰撞平衡条件。
Two circle round hole hammer body through the distance between the meet collision equilibrium condition.
然后，从圆的外边缘到内孔剪一个口，如图所示。
Next, cut from the outside edge of the circle to the inner circle, as shown.
首先，在纸板上剪一个圆，在圆的中间剪一个1/2英寸到1英寸的孔，具体大小取决于你所做的饰品大小。
Trace and cut a circle out of the poster board. Then cut out a 1/2″ to 1″ hole in the center of that circle, depending on whether you’re doing a large or small hat.
自调心球轴承的基本设计带有一圆柱孔，或者在某些尺寸范围内带一圆锥孔（圆锥1：12）。
The basic design self-aligning ball bearing is available with a cylindrical bore or, in certain size ranges, with a tapered bore (taper 1:12).
此工件有一精确机加工的大孔，因此通过一圆柱体采用该孔和工件端面定位。
The workpiece has an accurately machined bore, and is located from the bore and the end face, from a cylindrical post.
新建，黑色，4孔，标准大小，圆边吊杆按钮。
New, Black in color, 4 hole, standard size, rounded edges suspender buttons.
如加工轴类工件时，总是先加工中心孔，再以中心孔为基准加工外圆表面。
When machining shaft parts, always machining center hole, and then to the center of the center hole for the processing of the outer surface.
取一张圆纸板，在其两侧的中心分别打两个孔，用多根线穿过每个孔。
TAKE a cardboard disc and punch two holes in it, on either side of its centre.
如果孔是圆形的，那么在屏幕上出现一圆形光斑。
If the aperture is circular, a circular spot of light appears on the screen.
介绍了一种方便实用、可在加工外圆、内孔时进行切深微量调节的方法。
A useful method for adjusting the micro-cutting depth when machining holes on a round bar is presented.
若孔形不圆或边缘锋利，则此孔不可允收。
本文叙述了RT——300数控冲床加工圆形孔时模具的选择，并画出了圆模具选择流程图。
This paper narrates the mould selection when processing holes by RT-300 data punch press and gives the flow diagrams.
汽车轮毂PCD值是指螺栓安装孔的中心连接而成的截面圆的直径。
The Wheel PCD is the diameter of the studs from the centre of the wheel.
研究了一种关于大型孔类件的圆度误差测量法·该测量方法具有结构简便，实用可靠，抗干扰性强等特点·。
A measurement method of deviation from circular form of large-scale holes is discussed. It has the characteristics of simple, practical, reliable, and anti-interference.
圆块孔式石墨换热器是一种传热性能优良、结构紧凑、耐腐蚀性能极强的热交换设备。
POLYBLOC graphite heat exchanger is a heat exchanging equipment which possesses dense structure, excellent heat-transfer property and corrosion resistance.
其实除了切削圆锥面以外，小滑板还可以用来精车内孔和外圆或实现圆柱锥度误差补偿。
In fact besides cutting the taper surface, the small feeding carriage can be also used to finish hole and other round or compensate cylinder's taper error.
产品规格有外圆砂轮、平面磨、磨片、开孔钻头等。
Product specification is a circular grinding mill, plane, grinding, drilling hole etc.
本系列机床是万能双柱立式车床，可用作粗精车工件的外圆、内孔、端面及内外锥面等加工。
This series are universal type VTL of double column, used for inside and outside conical, end, cylindrical and bore.
聚烯烃粒料槽车是目前国际上应用较为普遍的一种聚烯烃粒料散装化运输设备，其尾部的卸料口系在标准圆封上的异形大开孔。
Mobile tank is a popular delivery equipment for bulk polyolefine grain product nowadays. The outlet on the back of tank is a large abnormal opening on elliptical head.
白石水库倒垂孔施工，通过严格控制钻孔和保护管偏心值，保证了有效圆直径满足要求。
In the pour the nearing line project of Baishi reservoir, we guaranteed the effective round diameter meets the demands through controlling holing and partial value.
圆轴体同圆盘形孔体的联结，越来越多地采用过盈配合，传递扭转力矩，高速地旋转。
Cylinder shaft body is connected to its hole body more and more by pinch fit so as to transmit torsional moment at high speed of revolution.
圆度值等于1的生理性根尖孔形态为正圆形，大于1的为非正圆形，数值越接近于1形态越接近于正圆形。
A physiological foramen with roundness equal to 1 was defined to have a non-round instead of a round shape.
采用光滑圆棒和中心孔板片试样，对GH901合金室温高低周复合疲劳进行了系统的研究。
The fatigue behaviours of Superalloy GH901 under major combined with minor cycle have been systematically studied at room temperature using smooth specimen and sheet with center hole.
平面、外圆、内孔、凹槽及其他较难测量的表面。
Plane, outer circle, inner hole, groove and other surfaces that are difficult to measure.
你还应该用砂纸给每个圆榫的两端倒个角，这样能让圆榫更容易对准榫孔。
You also should slightly bevel both ends of the dowel with a piece of sandpaper. This bevel makes aligning the dowels in their mating holes easier.
只需用一把刀具、二把刀杆就可同时进行工件的内孔外圆和端面的精剃加工。
The razor processing of the inner hole outer circle and the end face of the work piece can be carried out simultaneously only requiring a cutting tool and two arbors.
对浅球壳和圆柱壳带一小圆孔的情况，获得了方程的级数形式通解。
General solutions of the equations are obtained, in terms of series, for shallow spherical shells and shallow circular cylindrical shells with a small circular hole.
做好圆榫后，在要对接的两边和榫孔内都涂上薄薄一层胶水。
Once your dowels are cut to size, spread a thin layer of glue in all the dowel holes and along the edges of the mating boards.
连杆小头孔中心与连杆小头孔毛坯外圆中心不同心，使一边孔壁变薄，强度下降。
Decentraction of the conn-rod small end hole center with the excircle center of the conn-rod small end hole blank, which causes the hole wall of one side getting thin with the strength dropping.
连杆小头孔中心与连杆小头孔毛坯外圆中心不同心，使一边孔壁变薄，强度下降。
Decentraction of the conn-rod small end hole center with the excircle center of the conn-rod small end hole blank, which causes the hole wall of one side getting thin with the strength dropping.
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