longitudinal cofferdam

常見例句

A longitudinal concrete cofferdam was demolished by way of underwater controlled blasting.
利用水下控制爆破方法拆除了大源渡河中的混凝土縱向圍堰。
The structure of the longitudinal cofferdam and its foundation of theFeilaixia project in Beijiang River is complicated.
北江飛來峽工程縱向圍堰堰體及堰基的組成復雜。
The second stage construction area on the main river bed is formed by the second stage up & downstream transverse cofferdams and the longitudinal con crete cofferdam.
三峽工程二期上、下游橫向圍堰與混凝上縱向圍堰共同形成二期基坑，測繪工作要求很高。