A popular housing design for cows and heifers alike includes sand bedding.
沙垫床是泌乳母牛和青年母牛等常用的垫料之一。
These inclined beddings can be divided into 4 bedding assemblages to represent different development stages of tidal sand ridges and to correspond to different postglacial sea-level rise periods.
这些斜层理可以划分为高达4组不同特征的组合，分别代表潮流沙脊发育的不同阶段，对应于冰后期海平面上升的不同时期。
Following the required loading conditions of the foundation, a sand bedding course was used for its groundsill.
根据建筑荷载以及实际情况进行方案比选，采用了砂垫层换填法处理地基。
Mean permeability of massive bedding fine shingle lithofacies and mean porosity of reverse cross bedding fine sand lithofacies are the biggest in all of lithofacies.
块状层理细砾相的平均渗透率最大，反向交错层理细沙相的平均孔隙度最大。
Mean permeability of massive bedding fine shingle lithofacies and mean porosity of reverse cross bedding fine sand lithofacies are the biggest in all of lithofacies.
块状层理细砾相的平均渗透率最大，反向交错层理细沙相的平均孔隙度最大。
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