The longlongitudinal corrosion defect is one of major corrosion pattern for submarine pipelines.
腐蚀是引起海底管道破坏的重要原因之一，其中轴向长腐蚀是海底管道常见的腐蚀形式。
2
Scientists tracked the long term health and wellbeing of around 14,000 children born in 1991 and 1992 as part of the West Country's Avon Longitudinal Study of Parents and children (ALSPAC).
Scientists tracked the long term health and wellbeing of around 14, 000 children born in 1991 and 1992 as part of the West Country's Avon Longitudinal Study of Parents and children (ALSPAC).