沉箱
A new method of launching caissons prefabricated on land is introduced in the paper.
本文介绍陆域预制沉箱的一种新的出运下水方法.
In harbour construction, precasting caissons with slip form construction technology is a new attempt.
港口施工中, 利用滑模工艺预制沉箱是一种新的尝试.
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