床沙；河床质；河床物质；床层物料
material───n.材料；用具；（有指明特征的）人才；素材；曲目；布料；adj.物质的；身体需要的；和推理内容有关的；重要的；（证据或事实）决定性的；客观存在的；物欲的；n.(Material)（意、美）妈特力娅丽（人名）
bed───vi.上床；分层；n.床；基础；河底，海底；vt.使睡觉；安置，嵌入；栽种
instructional material───教材
reading material───阅读材料; 读物；阅读材料；[图情]读物
material arts───物质性艺术
material handler───仓库管理员；物料管理员
phosphorescent material───发磷光物质
waste material───[环境]废物；[材]废料；[经] 废料; 废物
belting material───皮带衬料
regulation, which box on the bed material to maintain the upper-vacuum, maintain good dry environment and prevent dust leakage.───调节引风机，使上箱体中床层物料上部保持微负压，维持良好的干燥环境并防止粉尘外泄（略）。
flow from reservoirs carries less sediment load of bed material than pre? dam periods.───坝后水库下泄水流挟带的床沙质含沙量减少，坝下游河床出现冲刷。
Series model test with 3 diameters of cylinder and 3 kinds of muddy bed material are carried out.───系列模型延伸法，进行了3组不同尺度的大圆筒模型和3种不同重度的淤泥底质的系列试验。
When cotton stalk and bed material are well mixed, the minimum fluidizing velocity can be achieved by experiment.───并通过实验求得此工况下床层的临界流化速度。
Fan regulation, which box on the bed material to maintain the upper-vacuum, maintain good dry environment and prevent dust leakage.───调节引风机，使上箱体中床层物料上部保持微负压，维持良好的干燥环境并防止粉尘外泄。
Especially, while exchanging between bedload and bed material, the net transport of bed load towards waters was considered.───主要在床沙与推移质交换的同时，考虑了床沙与推移质向悬移质的净交换。
It has been proved, the bed material load, wash load and total load follow the same rule of carrying capacity.───证实了床沙质、冲泻质与全沙具有统一的挟沙能力。
An experimental study of bed material regeneration with the multi-sieving method───流化床床料再生的多级筛分方法实验研究
Development and Improvement of the Conveying Equipment for Fuel and Bed Material of Large Fluidized Bed Boiler from Abroad───国外大型鼓泡流化床锅炉燃料与床料制备、输送系统设备的研制与运行改进
Effects of temperature, residence time, pressure, atmosphere, particle size and bed material , are researched.