adj.無屋頂?shù)?/p>
Summary: hypaethral(out door) crane works with its specialties.The body is heavy with large windward acreage. 摘要室外起重設備運行有其自身的特殊性：自重大、迎風面大；
YANHG Tong-gui.Characteristic and fourier analysis of the blasting vibration in hypaethral mine[J].Blast, 1984,1(2) :48-53. [8]楊桐桂.
Keywords Beer;Carbon dioxide;Saturation;The hypaethral bodkin type; 關(guān)鍵詞啤酒;二氧化碳;飽和;錐型發(fā)酵罐;
Optimization of Hypaethral Mining Based on Meliorative Genetic Algorithm 基于改進遺傳算法的露天采礦優(yōu)化
