您要查找的是不是：
- exterior coating of pipe line 输送管的外套
- 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。
- A fresh coat of paint can transform a room. 房间重新粉刷一遍可大为改观。
- The wall requires a new coat of paint. 这墙需要再涂一层新油漆。
- Use: As a single coat anticorrosive FBE coat for exterior steel pipe line for transportation of oil and gas, water and other finished products. 应用领域：主要应用于各种输油、输气、输水等钢质管道的外壁防腐。
- An outer coat of glaze on a piece of pottery. 外层釉陶器釉面上的第二层釉
- 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。
- This is a coat of her own making. 这是她亲手做的外衣。
- The coach bears the royal coat of arms. 这辆大马车上有王室的盾形纹章。
- That coat of yours could do with a clean. 你那件大衣需要洗一下了。
- A new coat of varnish was put on the floor. 地板上新涂了一层清漆。
- The arms of this coat of mine don't fit. 我这件大衣的袖子不合适。
- visual identification of pipe line 管线的视力鉴定
- telemetering system of pipe line 管线遥测系统
- The arms of a city or noble family is its coat of arms. 城市或显赫家族的标志是盾形纹徽。
- There was a coating of slime on the unwashed sink. 未刷洗的水槽上有一层污垢。
- 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。
- 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。
- Give the walls a coat of paint and they'll look all right. 墙上要是涂上一层漆，看上去就会好一些。
- A coating of metal sheets or plates. 金属板的外覆金属片或金属板的外覆
