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植树挖坑机钻头主轴扭转振动数学建模与求解
于建国 孟庆华;
Torsional Vibration Mathematical Modeling of Auger-Bit Principal Axis of Digging Machine for Tree Planting and Its Solution
Yu Jianguo;Meng Qinghua;
林业科学 . 2006, (11): 101 -105 .  DOI: 10.11707/j.1001-7488.20061119