近年采用气囊下水的船舶重量不断增大，下水安全性问题日益突出。
However, there is no feasible method for quantitative assessment of the strength of hull girder and safety of airbags during launching process.
本文阐述了船舶气囊上、下水工艺的实用意义，并简要介绍了下水工艺的操作过程。
After having expounded the practical significance of the technology of the ship air bag launching and docking, this paper briefly introduces the operating process of the technology.
结合工程实例，介绍直接利用气囊搬运箱涵下水时的稳定计算，并用计算结果指导施工。
This paper presents the stability calculation for box culvert's launching into water with gas cushion combining an engineering project, the result of which can be used to guide construction.
通道式船坞的船舶下水或上排是靠轨道滑车或气囊来完成。
The ship launching or upgrading of the channel dock is finished by relying on a track pulley or an airbag.
通道式船坞的船舶下水或上排是靠轨道滑车或气囊来完成。
The ship launching or upgrading of the channel dock is finished by relying on a track pulley or an airbag.
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