一个钢管的生产流程如下：圆管坯放在要被切割的高温轧制线上，继续升温，穿孔，轧制直到管坯大小基本成型。
The process of a pipe production is the following: a round cast workpiece is put onto a hot rolling line where it is cut, heated, stitched and rolled till a pipe of necessary size is ready.
软管有单层、双层，并分透明管、圆管、扁管。
There is a double-layer, hose , and transparent tube , pipe, pipe.
如：不锈钢圆管、方管、矩管、压花管、螺纹管、镀铂金管等。
Such as: stainless steel pipe, square pipe, rectangular pipe, embossed pipe, threaded pipe, platinum-plated tube.
该机床能对圆管、方管和圆锥管等管材进行空间加工，以使工件能精确的组合连接。
The machine can perform space cutting action on round, square, and cone tubes to make parts combine and connect exactly.
理论上，小型开孔切割机器人能够在任意曲面上开任意形状的孔，管端切割机器人能完成任意形状的圆管端头的切割。
In theory, the small hole-cutting machine can cut arbitrary hole on arbitrary curved surface, and the tube-end incisory robot can incise round tubes' ends of any form.
无论弯头、方管还是圆管都可制作接合。
在圆管与圆管的爆炸复合研究中，需要对管的动态参数做定量的估计。
In the research of explosive welding between tubes, it is necessary to evaluate quantitatively the parameters of the moving tube.
弦管长度和边界条件对TT型圆管节点轴向承载力的影响。
Influence of chord length and boundary conditions on the axial capacity of circular tubular TT-joints.
组合圆管外层为铍管，内层为钨管，二者通过过盈配合形成。
The assembled tube was made of beryllium tube and tungsten tube, and was produced by over fitting.
对用于产生螺旋管流的圆管螺旋流起旋器的结构参数进行了分析，并对其阻力特性进行了理论分析和试验研究。
The structure parameters and resistance characteristics of spiral pipe flow generator which generates spiral flow in circle pipe were analyzed and investigated.
实测了水平肋片管在自然对流换热条件下圆管表面温度在圆周方向上的分布。
This paper offers the measured distribution of the surface temperature of horizontal finned tube along the circumference in natural convection heat transfer.
冷弯空心型钢是冷弯型钢中的一类重要产品，其通常包括圆管、方、矩形管以及按照特殊要求制作的异形管。
Cold-roll void forming sheet is an important product in cold-roll forming sheet, which usually includes pipe, square tube, rectangle tube and unusual tube made by special requirements.
钢筋混凝土盖板涵、圆管涵和合金钢波管涵等都适应于多年冻土地区。
Rc slab culvert, circular culvert and alloy steel corrugated culvert are applicable to the secular frozen earth area.
埋设在高等级公路中的钢筋混凝土圆管涵属于上埋式管涵，作用于其上的竖向土压力影响因素繁多，分析极其复杂。
There are many factors to influence the vertical earth pressure on the reinforced concrete culvert, so it is very difficult for the analysis.
设计中还采用了多种形式的相贯节点，包括圆管正偏心的间隙接头及方管的搭接接头。
Varied types of intersecting joints, including gap joint with positive eccentricity for the circular tubes and overlap joint for the square tubes, were also adopted in the design.
圆管壁为漫发射、漫反射镜反射混合分布，管底部为假想的圆形黑体辐射器。
The study is for diffusely emitting, diffusely and specularly reflecting inner wall of tube and its bottom black body surface of a fictitious circle burner.
基于ANSYS有限元计算，以卸船机大斜撑圆管与耳板的连接为例，探讨管与板连接的设计。
Base on FEM analysis from ANSYS, this paper discusses the design for the junction of pipe and eye plate through an example of junction of them on diagonal pipe of ship-unloader.
矩形翅片椭圆管，即双排管是直接空冷凝汽器的一种基本换热元件。
The elliptical tube with rectangular plate fin, which is usually called double row tube, is one kind of basic heat exchange element for direct air cooled condensers.
研究表明，用多个扇形模具块对焊管端口进行机械扩径时，椭圆管坯的塑性变形具有显著的局部特性，且主要集中于悬空段。
The study shows that plastic deformation of the elliptical tube which has a significant local characteristic mainly concentrates in the vacant section, when expanding using several expanding punches.
其一是圆管层流（又称泊肖叶流动），得到其流量和沿管方向压力梯度之间的解析关系式。
One was the laminar flow in the pipe(also called the Poiseuille flow). The analytic form of the relationship between the flow rate and the pressure gradient along the pipeline was obtained.
在圆管与圆管的爆炸复合研究中，需要对管的动态参数做定量的估计。
For the research of explosive welding between tubes, it is necessary to evaluate quantitatively the parameters of the moving tube.
介绍了湍流不变量图在圆管湍流研究中的应用，分析了离壁距离和雷诺数对管流湍流结构的影响。
The anisotropy invariant map was also introduced briefly. The effect of the distance away from the wall and the Reynolds number on the turbulence structure in a pipe flow was also analysed.
邱和思门(1971)研究了在圆管和方形管中输沙时具有螺旋运动的水流的水头损失问题。
Chiu and Seman (1971) studied the head loss of flows transporting sediment in circular and square pipes with spiraling motion.
钢管因其端部外形又分成圆管、方管、矩形管、扁圆管、P形管、异型管。
Pipe end its shape is divided into tube, square tube, rectangular tube, oblate tube, P-shaped pipe, rectangular pipe.
扭曲管作为一种新型高效的强化传热管型，是以直圆管为基础，通过旋转扭曲而成。
Twisted tube is a new kind of high efficient heat transfer tube, which is made by contorting round tube.
最终产品为圆管，方管，矩形管，管子断面从1英寸至5英寸。
The final product is tubes round, square, and rectangular. form 1in to 5in (regular sections).
其特征在于该合金钢塑复合管由5层组成，从里到外依次是塑料管、粘结剂层、钢圆管、合金层、封孔膜。
It is characterized by that it is formed from 5 layers of plastic pipe, adhesive layer, steel pipe, alloy layer and hole-sealing film in turn fron inside to outside.
优质碳素结构钢圆管坯，高压锅炉用无缝管坯，合金结构钢管坯等均达到国标中的各项要求。
High quality carbon structural round bloom, seamless tube bloom used in high pressure boiler, alloy structural steel tube blooms are all up to the general standard.
结果表明，与圆管、板材等型材的压弯相比，薄壁矩形断面管压弯更容易产生严重的截面畸变；
The results show that the severe cross section distortion takes place much easier in the thin-walled rectangular tubes than that in the circular tubes and plank stuff.
结果表明，与圆管、板材等型材的压弯相比，薄壁矩形断面管压弯更容易产生严重的截面畸变；
The results show that the severe cross section distortion takes place much easier in the thin-walled rectangular tubes than that in the circular tubes and plank stuff.
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