查询词典 runner pipe

API specification states that the yield strength of body of oil line pipe is evaluated by flated sample cut from pipe.

API标准规定，采用管体取样压平试样的屈服强度，表征输油管管体屈服强度。

Shengli Oilfield Freet Petroleum Equipment Co., Ltd. was successfully reformed from Sinopec on May, 2005 and it is a joint-venture company with four industrial zones, 0.32 billion yuan register capital, 1764 employees and 3.6 billion yuan production ability. Its ' main products are tubing and casing threading, VIT tubing, pumping unit, sucker rod, ERW casing/ line pipe, PE pipe and so on. All products of Freet has the right to use API logo.

胜利油田孚瑞特石油装备有限公司是2005年5月从胜利油田改制的中外合资企业，注册资本3.2亿元，职工1764人，拥有四个工业园区，产能规模达到36亿元，主要生产油套管螺纹加工、隔热油管、抽油机、抽油杆、 ERW 套管和塑料复合管等产品，公司所有产品均获美国石油协会 API 会标使用许可证。

By using frondose numeric analysis of ANSYS software to technics process about pipe bulging and operation condition, pointed out how to choose pipe material and plate material better to solve the problem of bulging-contacting and leakage.

通过利用ANSYS软件对胀管工艺过程、运行工况的具体数值分析，指出了选用何种管子材料和管板材料相匹配能较好地解决胀接和密封性问题。

Meanwhile, the intersection part of the bifurcation pipe is haunched, which helps to relief the stress concentration of the bifurcation pipe.

同时，经分析认为在岔管相贯部位采取了加腋措施，可有效缓解岔管部位的应力集中。

Plastic pipe reinforced by cross helically wound steel wires, which has excellent performance, is a new type of plastic-matrix steel composite pipe.

钢丝缠绕增强塑料复合管是一种性能优良的新型复合管。

The dynamic equations of helically buckled pipe string in vertical wells are a group of high order nonlinear ordinary differential equations, which describe the axial force distribution and deformation behavior of pipe.

描述垂直井中螺旋弯曲管柱轴力分布和变形行为的力学方程是一组高阶非线性常微分方程组。

It will introduce head loss of the way and part in a pipe, hydrodynamical calculation of a simple pipe, the principle of operation, the structure and the performance parameter of a pump, similarity law and specific speed, as well as matching between the pump and piping, working point and united running et al.

第二篇为给水管网的设计计算，介绍城市给水的分类和用水量标准，沿线流量和接点流量，城市给水管网的水力计算，以及管网设计计算的计算机方法等。

Use tall purity to not have seam violet copper pipe, shutter type sine is undee hydrophily aluminium comes loose character hot fim piece use 14mpa hydraulic go up the canal ensures copper pipe and aluminium piece close together union, coil passes thermal efficiency taller;2, use wind rotor of fire prevention ABS, activity has been balanced, the moment of force that start is small, pittsburgh type oversews, not air leak; 3, electric machinery uses oiliness sliding bearing, noise is less; 4, hy

使用高浓度无缝紫铜管，百叶窗式正弦波型亲水性铝质散热鳍片并使用14mpa水压涨管保证铜管与铝片紧紧联系，盘管传热速率更加高；2、使用防火ABS风轮，变化均衡好，开启力矩小，匹兹堡式缝补，不露风；3、电机使用含油滚动轴承，噪声更小；4、水压涨管保证铜管受涨均和无走漏；5、全体冲压成型水盘，外面全体PE，周祥保温；6、容积轻盈，深度仅230mm，现场可轻而易举交换上下型，装置保护便捷。

The transfer matrix method is used to carry out the vibration characteristic analysis of the fluid-filled piping system. The transfer matrix of the axial, transversal and torsion vibration of the fluid-filled straight pipe element is presented. And the transfer matrix of the elbow is derived according to the discrete model of the inextensible theory of the curve pipe. The effect of the flexural factor on the elbow's transfer matrix is studied.

基于充液直管的梁模型，考虑液体与管道之间的泊松耦合，详细推导了充液直管单元的轴向、横向及扭转振动传递矩阵；采用弯管不延伸理论的离散模型，将变管离散为一组首尾相连，并成一定角度的短直管单元，通过建立弯管处力平衡方程与连续性方程，建立了弯管平面内振动的传递矩阵，并研究了弯曲因子对传递矩阵的影响。

Type YZF duck-billed valve, also be called "rubber flexible check-valve", it has function similar to tide gate, flapper gate but its working principle and structure is different, its mounting pattern is generally classed to pipe hoop form and flange form( flange form is generally used in case that latus rectum is larger than DN800, otherwise pipe hoop form is used).

YZF 型鸭嘴阀，又称&橡胶柔性止回阀&，与潮门，拍门功用相似，但工作原理和结构不同，其安装形式一般分为管箍式和法兰式（法兰式一般大于通径 DN800，管箍式一般小于通径 DN800），本体材质为橡胶，可广泛用于排水管出口，防止水流倒灌，造成事故。

You'll be in trouble it you don't watch out .

如果你不注意，你会有麻烦的。

Shaped like a biconvex lens.Of, relating to, or having the form of a hyperbola.

双曲线的属于双曲线的，与之有关的，或有双曲线形状的