... boom damping system 喷杆减振机构 boom hydraulic system 动臂液压系统 swing boom system 回旋式吊杆系统 ; 单杆吊货法 ...
双语例句
1
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;