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- Houston has become petroleum and the petroleum and chemical centre, gas network of pipe lines point assembling , centre being also that the astronavigation studies and develops. 休斯敦现已成为石油与石化中心，天然气管道网的汇集点，也是宇航研究和发展的中心。
- network of pipe lines 管道网
- The grid lines then form a network of squares. 这样网格线就形成了正方形网格。
- After initial installation, a discharge from the relief valve opening may occur due to inadequate initial flushing of pipe lines to eliminate dirt and pipe compounds. 在初始安装后，由于管线没有经过正确的初始冲刷，污垢和管道杂质没有消除干净，安全阀的开口可能发生排放。
- This article illuminates the method and application of vertical down welding for gas pipe line,which ensures the welding quality and meets the requirement of pipe design. 对立向下焊接技术的应用情况加以说明,并阐述此方法是如何保证长输管线的焊接质量,满足管道设计技术要求的。
- Under the mountain there is a network of caves. 这座山里有许多相通的洞穴。
- Three phase parallel connection heating cables are suitable forthethermal insulation of pipes with big diameters, pipe lines in nets and tanks. 三相并联带一般适用于大管径，管网系统管线和罐体的伴热保温。
- A meshed network of lines, figures, or fibers. 孔状网线、图或纤维的孔状网。
- This paper analyses the cause of uncleanness of air pipe line on locomotive,and puts forward taking TIG weld ing tech nology in order to ensure that the quality of pipe line on lo como tive achieves design standard. 针对目前机车空气管道内清洁度差的问题,分析其原因,提出采用TIG焊接工艺,以保证机车管道质量达到设计要求。
- The company has a network of shops all over the country. 这家公司有着遍布全国的商店网。
- The fabrics are merchandised through a network of dealers. 通过经销网点销售纺织品。
- color identification of pipe lines 管线颜色标准化
- visual identification of pipe line 管线的视力鉴定
- Bangkok is crisscrossed by a network of klongs. 曼谷有纵横交错的运河网。
- telemetering system of pipe line 管线遥测系统
- The city is dissected by a network of old canals. 古老的运河网将这座城市分割开来。
- A system of pipes, such as those used in plumbing. 管道，管线，管道网一管道系统，如那些用来铺设铅管的
- The network of asphalt concrete mixer. 沥青搅拌设备网。
- Join one section of pipe to the next. 将一段管子与相邻的管子连接起来。
- There is a complex network of roads round the city. 城市周围有着错综复杂的道路交通网。
