adj.无屋顶的
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.
Keywords Beer;Carbon dioxide;Saturation;The hypaethral bodkin type; 关键词啤酒;二氧化碳;饱和;锥型发酵罐;
Optimization of Hypaethral Mining Based on Meliorative Genetic Algorithm 基于改进遗传算法的露天采矿优化
