Real blood vessels have an internal coating of cells that ensure that the blood does not clot.
真血管内部有一层细胞包被，可以确保血液不会凝结。
Economic results of pipes with internal coating are described.
文章论述了输气管道采用内涂层管子的经济效益。
Pipes with internal coating have been used widely in the world for gas pipeline for past over 50 years because of many advantages.
由于内涂层管子具有很多优点，5 0多年来它在天然气输送管道中得到了广泛应用。
This paper analyzes the necessity and advantages of the use of natural gas pipelines internal coating, the coating process and the technical problems arising thereof.
文中分析了采用天然气管道内涂层技术的必要性和优点以及内涂层的涂覆工艺和技术难点。
The corrosion protection measures were recommended such as DPC internal coating for the new pipes and continuous drip addition of corrosion inhibitor for the existing Wells.
提出了新井采用DPC内涂层套管，老井实施井下连续滴加缓蚀剂的内防腐蚀控制措施。
Higher molecular weight recommended for cross linking with amino and phenolic resins stoving lacquers for internal coating of cans and tubes.
高分子量，建议与氨基改性酚醛树脂组合，生产罐的内层涂料。
It is pointed out that the scientific assessment and comprehensive considerations on influence factors should be made so as to decide whether the internal coating is used or not.
但长输天然气管道是否应用内涂层，应在严格的评估和对各种因素进行综合考虑后才能最后确定。
Internal coating used in high pressure, large diameter and long distance gas pipeline has two main functions, one of them is anti corrosion and the other is drag reduction.
高压、大口径、长输天然气管道采用内涂层主要具有两大功能，一是防腐蚀，二是减阻。
Internal coating used in high pressure, large diameter and long distance gas pipeline has two main functions, one of them is anti corrosion and the other is drag reduction.
高压、大口径、长输天然气管道采用内涂层主要具有两大功能，一是防腐蚀，二是减阻。
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