And the eruption grain that different volcanic gush gives out is different, coarse level is different, to the influence of the plane degree also differs.
而不同的火山喷发出的火山灰颗粒不同，粗糙程度不同，对飞机的影响程度也就不同。
Based on sediment transport experiments, the interaction between flow and sediment movement is analysed and the problems of grain resistance and bed load transport on plane movable bed are discussed.
本文在输沙实验的基础上，从研究水流结构着手，分析了水流和泥沙之间的相互作用关系，讨论了动床沙粒阻力和底沙输移规律。
Tranagranular cracks result from deformation damage of grain, and its propagation mechanism is shear rupture along slip plane.
穿晶裂纹源于晶内形变损伤区，其扩展机制为沿滑移面的剪切断裂。
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