短語(yǔ)詞組短語(yǔ)nanometer grain microcosmic structure 納米晶粒微觀結(jié)搆grain industrial structure 糧食産業(yè)結(jié)搆grain product structure 糧食生産結(jié)搆grain production structure 糧食生産結(jié)搆grain plant structure 糧食種植結(jié)搆grain grade structure 粒級(jí)結(jié)搆grain boundary structure control 晶界結(jié)搆控制grain variety structure 糧食品種結(jié)搆grain spreader structure 晶粒結(jié)搆 返回 grain structure