sand bed 砂床 ; 沙层 ; 沙床
sand-bed filter 砂滤器 ; 砂床过滤器
Deep Sand Bed 厚沙床
sand bed filter 砂滤器
isolated sand bed 孤立砂体
fluidized sand bed furnace 流化砂床炉
cement sand bed 水泥砂浆层
The similarity criteria for designing the sediment models for plain sand-bed rivers include similarity of flow, bed load and suspended load.
认为平原细沙河流的泥沙模型设计所遵循的相似准则应包括水流运动相似、推移质运动相似和悬移质运动相似。
Drilling mud can clean out the cuttings by its circulation, especially for horizontal hole, it can avoid the sand-bed formation and reduce downhole troubles.
泥浆的主要功用之一是通过自身的循环，有效地清除钻孔内破碎下来的岩屑，特别是对于水平孔，可以避免砂床的形成，减少钻孔内的事故。
The probability of the final movement of grain can indicate its movement tendency, and the change of the sand-bed height can reflect the transformation status of grain movement.
根据最终状态概率代表颗粒运动趋势的原理，砂床高度的变化应是床层表面颗粒运动状态转换的结果。
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