In regard to the material piling during the normal work of the vibration screen,the cause of the detrimental coupling vibration,its effects on the vibration screen and the measures to restrain the vibration are studied by theoretical and experimental analysis.
针对振动筛在正常工作状态发生物料堆积现象，通过理论与实验分析，着重研究了振动筛产生有害耦合振动的原因、不良影响及消除或减弱有害耦合振动的措施，并分析了纵向摇动对筛分质量的影响。
Building materials are piled up mountain-high on the construction site.
工地上建筑材料堆积如山。
Physical model and simulation system of powder packing
粉末材料堆积的物理模型与仿真系统
Studay on Performance of Cement-based Composite Materials Based on Compressible Packing Model;
基于可压缩堆积模型的水泥基复合材料性能研究
Effect of Different Ratios of Materials on the Quality of Composting;
不同堆肥材料配比对堆肥质量的影响
(a porous calcium material formed from the accumulation of small organisms on ocean and lake beds millions of years ago)
（一种几百万年前小生物在海底和湖床堆积而成的多孔渗水含钙材料）
The formula could simulate the packing density of the blend materials such as cement, fine-slag, and fly ashes.
说明该公式可以用来模拟诸如水泥、磨细矿渣、粉煤灰等胶凝材料细颗粒的堆积密度。
Effect of Filler Packing Density on the Processing and Product Properties of SMC
填料堆积密度对SMC工艺及性能的影响
A pile, mound, or heap.
一堆，一垛，堆积物
Research on Forming Materials and Supporting Materials of Fused Deposition Modeling;
熔融沉积成型材料与支撑材料的研究
Study on Fe_3Al Cladding Materials;
Fe_3Al基金属间化合物堆焊材料的研究
Study on Ion-exchange Packing Materials in EDI Stacks and the Packing Forms;
EDI膜堆填充材料及其填充方式的研究
Research and Development of SiC/SiC Composite for Fusion Application
聚变堆结构材料SiC/SiC的研究进展
Corrosion Behaviors of Candidate Materials for Supercritical-Cooled Water Reactor
超临界水堆候选材料的腐蚀特性研究
The nuts of forest trees accumulated on the ground, used especially as food for swine.
猪饲料堆积地上的树木的坚果，常用来作猪饲料
"a unit of quantity for cut fuel wood, equal to a stack measuring 4 × 4 × 8 feet or 128 cubic feet (3.62 cubic meters)."
木材堆的体积单位,等于4×4×8英尺或128立方英尺(3.62立方米)的堆.
A unit of quantity for cut fuel wood, equal to a stack measuring4?? feet or128 cubic feet(3.62 cubic meters).
考得木材堆的体积单位,等于4??英尺或128立方英尺(3。62立方米)的堆
Research of hardfacing material of impact wear-resistance with Fe-Mn-Cr-Mo-V alloy system
Fe-Mn-Cr-Mo-V系抗冲击磨料磨损堆焊材料的研制
Fat deposits were laid down.
脂肪堆积物堆积起来。