grainern.漆木纹用具(刮毛刀)grainn.谷物；谷类；微量；颗粒；纹理；格令v.形成(颗粒)；(用谷物)喂养grain drying technology粮食干燥工艺grain yield fluctuation粮食产量波动grain boundary equation晶界方程grain of unripened rice青稻粒grain-boundary effect晶界效应grain-boundary energy晶粒间界能grain size contribution粒径分布grain boundary cracking纹理边界开裂grain boundary porosity晶界气孔Grain-leaf area ratio粒叶比