caisson launching造句

例句与造句

The special - purpose semi - circular caisson installation barge , anding no . 1 , built and used for the second phase of the deep waterway regulation project in the changjiang estuary has been technically renovated into a special - purpose caisson launching barge , which , after the renovation , has become a horizontally submerging semi - submersible barge capable of shore touching and bottom resting
摘要介绍了对原用于长江口深水航道治理二期工程施工的专用半圆沉箱安装船“安定一号”的技术改造，使之成为一艘沉箱下水专用船舶。
It's difficult to find caisson launching in a sentence. 用caisson launching造句挺难的