Summary: hypaethral(out door) crane works with its specialties.The body is heavy with large windward acreage. 摘要室外起重设备运行有其自身的特殊性:自重大、迎风面大;
YANHG Tong-gui.Characteristic and fourier analysis of the blasting vibration in hypaethral mine[J].Blast, 1984,1(2) :48-53. [8]杨桐桂.;露天矿爆破地震动特征及Fourier谱分析[J]