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noun | adjective
macrograin ['mækrəʊgreɪn, -roʊ-] n
gen. 粗〔宏观〕晶粒
macrograin ['mækrəʊgreɪn, -roʊ-] adj.
met. 粗晶粒; 宏观晶粒
oil 粗粒
tech. 粗晶 (粒)