海底管路 meaning in English

offshore pipeline

Steel tubes and fittings for onshore and offshore pipelines - internal lining with cement mortar
岸上和海底管路用钢管和管件.水泥灰浆内衬
Steel tubes and fittings for onshore and offshore pipelines - internal and external polyamide powder based coatings
岸上和海底管路用钢管和配件.聚酰胺粉末基内外涂层
Steel tubes and fittings for onshore and offshore pipelines - internal lining with cement mortar ; german version en 10298 : 2005
岸上和海底管路用钢管和管件.水泥灰浆内衬.德文版本e