Classification of environmental conditions ; part 2 : environmental conditions appearing in nature ; earthquake vibration and shock 环境条件分类.第2部分:自然环境条件.地震振动和冲击
2.
Classification of environmental conditions - environmental conditions appearing in nature - earthquake vibration and shock 环境条件分类.第2部分:大自然呈现的环境条件.第6节:地震振动和冲击