The special requirement for the welding of X80 pipeline steel was described also.
还简述了X80管线钢对焊接的特殊要求。
The two special cement coatings are applicable to sewage pipeline internal corrosion for ductile iron pipe, improve the ability to resist the erosion of acid components in sewage.
这两种特殊水泥涂层均适用于污水管道用球墨铸铁管的内防腐，提高抵抗污水中酸碱成分的侵蚀能力。
For the natural gas transmission pipeline, the special steel pipe that can resist hydrogen cracking should be developed.
对于天然气输送管道，需研制抗氢致裂纹的专用管线钢管；
The current "Economic Daily" special supplement China painting pipeline, "ARTOUCH artistic touch," deputy editor.
现任《经济日报》中国书画增刊特约编审，《ARTOUCH艺术触觉》副主编。
This article introduces the special requirements for material of the modern high pressure gas pipeline and development of the pipeline steel both home and abroad.
介绍了现代高压输气管道对材料的特殊要求以及国内外管线钢的进展情况。
This thesis aims at modeling a special system, which can be described in this way : The control system is to controling the light-quality object in the sealed pipeline. (eg: ping pang balls).
论文是针对一个特殊的系统进行建模，此特殊可描叙为：控制系统为对密封管道中质量轻物体（以乒乓球为例）高度的控制。
The special design of the tee branch is appropriate for drilling holes equal to the inner pipeline . diameters.
该组合式机械三通密封的特殊设计使之能配合开孔机开出与管道内径相等的孔；
Take special sampling, pick feeding valve, and the moving microorganism pipeline.
带发酵罐专用取样、放料阀，移种管道。
This paper introduces a method in which a sacrificial anode with special shape was added between casings and pipeline for solving the corrosion problem in the special environment.
针对这一情况，介绍了一种在套管内管段上补加特殊形状的牺牲阳极的方法，解决了这一特殊环境中的腐蚀问题。
This paper briefly introduced two methods for anticorrosion of special piece and repaired mouth of long transportation pipeline, i. e , flame plastic spraying and high-build PU anticorrosive paint.
简介了长输管道异型管件及补口防腐的两种方法，即高膜厚PU防腐涂料刷涂法和火焰塑料喷涂方法。
Local infrastructure projects which will build roads, a gas pipeline, and two huge hydroelectric DAMS are of special concern.
当地的基础建设拟兴建道路、一条石油管线和两座巨大的水力发电用的水坝，这特别令人忧心忡忡。
The hydraulic state in critical downhill section of long pipeline is unusual, and installing pressure regulation station is a widely used method for meeting its special requirement.
输油管道的大落差段有特殊的水力状态，设置压力调节站是适应这种水力状态而广泛采用的技术。
But even if it is a ventilation pipe is also divided into several, there is a simple dust, smoke, exhaust pipe, but also have a special rule out harmful gas pipeline.
但就算是通风管道也分成好几种，有简单除尘、排烟、吸油的排风管，但也有专门排除有害气体的管道。
Pipeline series ball valve is not only wide selection of parts and materials are used in nickel-plated or 316, seal with a special polymer material.
长输管线系列球阀不仅选材广泛且内件材料均采用表面镀镍或是316材质、密封圈采用特制的聚合物材料。
Pipeline is a special form of transportation. This form is being used for transporting gasoline, crude oil, and natural gas. Even some solids can be moved by pipeline.
管道式一种特殊的运输方式，这种方式用于运输汽油、原油和天然气，即使一些固体可以通过管道。
A special unit is used for delivering the plug into pipeline, it is appropriate for temporarily blocked and pressure-released pipe section in pipeline repair operation.
该封堵器采用专用的送进机构送入管道，适用于管道维修作业中暂时封堵已卸压的管段。
Pipeline all - position automatic welder is kind of special automatic machine for pipeline girth welding. It has high degree of automatization, and can be used in severe conditions.
PAW2000管道全位置自动焊机是管道环缝焊接的专用自动设备，自动化程度高，运行条件恶劣。
The demand of aligned pipeline is low and special demand of rapid installation and dismantling is realized perfectly.
管路对中要求低，完美实现了快速安装和拆卸的特殊要求。
The demand of aligned pipeline is low and special demand of rapid installation and dismantling is realized perfectly.
管路对中要求低，完美实现了快速安装和拆卸的特殊要求。
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