rich ore bed and granite 富矿层和花岗岩
The lift was put in motion, and Herbert was soon stretched on his bed in Granite House.
升降梯往上升起,不久以后,赫伯特就躺在“花岗石宫”里自己的床上了。
Test results show:for the same grain size groups the flow velocity relating incipient motion of these granite sand grains decreases as the bed slope increases;
实验结果表明,同一粒径组的非粘性花岗岩风化砂粒随底坡坡度的增加其起动流速变小;
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