Then, a column of red-hot steam and dust soared thousands of miles into space and most of it fell back toward Earth within a few hours, turning the heavens into hell.
随后,一部分红热的蒸汽和灰尘柱上升几千英里后进入太空,绝大部分物质在几个小时内落回到地球上,将天堂变为地狱。
This colossal beam is a yard; that great column of wood which stretches out on the earth as far as the eye can reach is the main-mast.
那条巨梁是一根挂帆的横杠,那根倒在地上长到望不见末梢的柱子,是一根大桅杆。
The earth pressure is calculated by using Rankin theory or Column theory.
通常采用朗金理论或库仑理论计算作用在挡土墙上的土压力。
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