Boom most often looks like huge, floating sandbags strung together in a line, and either absorbs oil or deflects it toward a collection point.
浮动档栏往往是连在一条线上的巨大浮动沙袋，要么能够吸收石油，要么使石油向某个石油收集点聚集。
Floating crane structure mainly include boom, amplitude varying wire rope, tied back wire rope, truss frame, A-frame, counterweight box, rotating machinery base, and rotary bearing structure.
浮吊结构包括臂架、变幅钢丝绳、系固钢丝绳、桁框架、人字架、配重箱、回转底盘总成及回转支承等部件。
And the large floating crane boom structure applied to obtain good results, showing potential applications of the system and better social and economic benefits.
并在大型浮吊臂架结构上进行应用，取得良好的效果，显示出该系统广阔的应用前景和较好的社会经济效益。
Through the modal analysis, it is found that main vibration modes of floating crane structure are swing of rope-load system and vibration of boom, and the vibration frequencies are low;
通过模态分析发现，浮吊结构的振型主要表现为主钩钢丝绳-吊重系统摆动和臂架振动，振动频率都很低；
Through the modal analysis, it is found that main vibration modes of floating crane structure are swing of rope-load system and vibration of boom, and the vibration frequencies are low;
通过模态分析发现，浮吊结构的振型主要表现为主钩钢丝绳-吊重系统摆动和臂架振动，振动频率都很低；
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