对采用阴极保护和沥青防腐层联合防护的管道防腐层质量进行了调查分析。
The article makes investigation and analyzes the quality of pipeline coating with asphalt in combination with cathodic protection.
通过对榕山—佛荫输气管道进行智能检测发现，管道石油沥青防腐层损坏严重。
The intelligent pigging exposed that the asphalt coating deteriorated to a great extent in Rongshan-Foyin gas transmission pipeline.
壳牌在全球拥有80多年的沥青铺设经验，铺设场地包括道路、高速公路、机场跑道、赛车跑道及管道。
Shell has over 80 years experience of bitumen applications across the world, including roads, motorways, airport runways, cycle-lanes, and pipelines.
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