短語詞組短語basic saturation density 基本飽和密度值basic managing density 基本經(jīng)營密度Wood basic density 木材基本密度basic density of wood 木材基本密度timber basic density 木材基本密度basic density of outer wood 木材外側(cè)基本密度basic heat -flux density 基本熱流密度density of basic seedling 密度 返回 basic density