查询词典 pipe-rack

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。

In view of the unique and complicated completion method for gas drilling, and high cost and low reliability of DDV and leakless inflatable screen pipe, the stuffed screen pipe with temporary plugging agent was developed autonomously.

针对气体钻井完井方式单一、完井程序复杂、采用套管阀或非透式可膨胀筛管完井技术成本高、可靠性差等问题，自主研发了利用暂堵剂密封筛管的实体筛管完井技术。

Using the special-purpose cutting knife, cut pipes vertically, the cutter handwheel rotates 30 angles, the cutting knife rotates 1 circle along the round outside the pipe, does not exert oneself too quicklily while cutting to the aluminium layer, so as not to influence the aluminum pipe, deform it, the notch should have no burr levelly and smoothly

使用专用割刀，垂直切割管材，切割刀手轮旋转30角度，割刀沿管材外圆旋转1圈，割到铝层时不要用力过猛，以免影响铝管，使之变形，切口应平滑无毛刺

Objective Review the case of Arterial embolectomy in our hospital since 1996. Discusses the opportunity of operation and evaluation of therapeutic effect of embolectomy by using Fogarty pipe. Methods Emergency operation, We often use Fogarty pipe to take out embolus through femoral artery with anticoagulant and thrombolysis therapy during the operation. After the operation we continue anticoagulant and therapy 7～10 days and neurotrophy and tissue protecting treatment at the same time.

目的 通过复习我院自1996年以来的动脉取栓术病例，探讨Fogarty导管取栓术的手术时机及疗效判定方法急诊手术，采用Fogarty导管经股动脉取栓，术中配合抗凝溶栓治疗，术后继续抗凝溶栓7～10天，同时配合组织保护剂、神经营养药物等。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷