烟叶质量
Quality of tobacco leaf
quality of tobacco leaves
Tobacco leaves quality
leaf quality of flue-cured tobacco
Leaf quality
Quality
leaf tobacco
tobacco quality
Tobacco leaf quality
烟叶基地建设
tobacco production base establishment
优质烟叶中上等烟比例
ratio of mid-high grade leaves
烟叶化学成分
Tobacco chemical components
tobacco leaf chemical component
composition ot tobacco leaves
tobacco composition
tobacco leaf chemical ingredient
青烟叶钾含量
Potassium contents in fresh tobacco leaves
卷烟叶组配方
cigarette blending formulation
烟叶质量可用性
Tobacco quality usability
烟叶产量和质量
Tobacco leave quantity and quality