对拖船螺旋桨来说，除了应计算系桩状态的静态强度外，还应计算自由航行状态的疲劳强度。
As for a propeller of a tugboat, it is necessary to calculate the fatigue strength in the self running state as well as the static strength in the bollard state.
系船柱，带缆桩在船上或码头的粗桩，用于系缆索。
A thick post on a ship or wharf, used for securing ropes and hawsers.
在该工程中采用了全部攻关成果，如全直桩方案，浮式钢系靠船设施和新型上部结构等。
In this project, all break-through items including complete vertical piles, floating steel mooring facilities and new-type superstructure were adopted.
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