导管架下水驳船摇臂是安装在船艉的用于导管架滑移下水的过渡装置。
The rocker arm on the jacket launch barge is a transition installation equipped at the stern.
本文在阐述摇臂在导管架下水后的运动特点的基础上，首次进行了摇臂回转撞击驳船尾部甲板的研究。
Based on the trait of the motion of the rocker arm after jacket launching, the impact of the rocker arms on the barge was firstly studied in this paper.
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