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диффузия по границе зерна stresses
el.	grain boundary diffusion
диффузия по границам зёрен
met.	intercrystalline diffusion
silic.	grain-surface diffusion
tech.	grain boundary diffusion; grain-boundary flow; grain-boundary diffusion; diffusion along grain boundaries; diffusion by the boundary mechanism; diffusion by the sub-boundary mechanism
диффузия по границам зерен
met.	grain flow (Bakalinsky)