1、

preliminary discussion on mechanical pipe jacking of balanced mud-water

浅谈泥水平衡机械顶管

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2、

construction survey of mechanical pipe jacking

机械顶管施工测量方法

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3、

polyethylene pipes. pressure drop in mechanical pipe-jointing systems. method of test and requirements.

聚乙烯管道.机械接头的载荷减小.试验方法与规

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4、

Flange gaskets are not interchangeable with other mechanical pipe couplings or flange gaskets.

法兰垫圈与其它机械管道连接器或法兰垫圈互换.

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5、

ventilation scheme for long-distance mechanical pipe-lifting project

长距离机械顶管工程通风方案

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6、

The mechanical status of nutted rod in drawing pipe with short mandrel rod is analyzed, the analysis basis for the dimensions design of nutted rod offered. The articles are short.

文章分析了短芯棒拉拔管材时拉杆的受力,并对拉杆的尺寸设计提供了分析的依据。

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7、

Field test show that the rate of pipe broken and thread tripping of the shell string made up by the special pipes developed in this dissertation reduced obviously; there is no problems of mechanical strength and sealing; the string has a long duration of normal operation.

现场试验表明:本文研制的专用杆组成的壳体杆柱断脱率明显降低,无机械强度和密封问题,正常运转时间长,可以作为优先选用的重力热管壳体专用杆件。

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8、

A New Type of Rubber Corrugated Pipe Mechanical Seal for Dilute Sulphuric Acid Pump

稀硫酸泵用新型橡胶波纹管机械密封的研制

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9、

The writers provide a detail analysis on the method of manufacturing pipes for the pipeline, pipe requirements for chemical elements, specification for pipe mechanical strength and the codes specially worked out for the pipeline.

详细分析了阿拉斯加管道的制管方式、管材化学成分要求、管子机械强度规定以及为该管道编制的专用规范,并与API5L标准及我国长输管道规范对比,从中分析阿拉斯加管道的独到之处;

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10、

Densification Process and Mechanical Properties of Large Dimension Heat-resistant Al Alloy Pipe Blank

大尺寸耐热铝合金管坯的致密化及性能研究

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11、

An optimum combination of forming parameters of expanding-ratio, diameter of sectorial die and corner radius of die rim is concluded from a functional relation between roundness error of cross-section and forming parameters for the process of mechanical expanding of large diameter line pipe in the paper.

针对大直径管线钢管机械扩径工艺,得到了以最终制品形状精度(横断面圆度误差)为优化目标的扩径率、模具直径和模具边缘圆角半径等成形参数的最优组合。

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12、

Mechanical patching of welding seam of steam pipe in oil tank

油罐内蒸汽管焊缝的机械法补漏

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13、

Mechanical Analysis on Metamorphosed Hydraulic Pipe

变形液压导管受力分析

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14、

Hydraulic calculation of well-distributed aerated pipe in mechanical aeration of bulk storage of grain

关于散装粮堆机械通风装置中均匀送风管道的水力学计算

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15、

Study on the Mechanical Model and Equilibrium Performance of Flexible Pipe with arc

弧形体挠性接管力学模型及平衡性研究

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16、

Mechanical Experiment Analysis on the Flexible Pipe Used for Mineral Transporting in Deep-sea Mining

深海采矿矿石输送软管的力学实验分析

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17、

Application of Down Feed Two Pipe Horizontal Cascade Heating System in Mechanical Circulation

机械循环下供下回水平双管供暖系统的应用

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18、

Mechanical analysis of expandable screen pipe On literature on Screen

膨胀筛管力学分析影视化接受:文学不能承受之轻

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19、

The paper introduces the application of CO 2 Gas Fire Extinguishing System to the Mechanical Three-dimensional Garage. Its focus is on the design of the gas pipeline. The calculation parameters of the pipe network and joint are also given.

本文介绍CO2气体灭火系统在机械立体车库中的应用,重点介绍其中气体管路部分设计,并给出管网及各节点的计算参数。

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20、

Mechanical Analysis of the Pipe Punch Cutting and the Punch Design

冲模切管的受力分析及刀片设计

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