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。
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