thinning
特殊用法crown thinning1.■上层疏伐dilution thinning1.■油被燃料稀释flower thinning1.■疏花line thinning1.■带状疏伐, 隔行疏伐moderate thinning1.■适度 疏伐natural thinning1.■自然疏伐, 自然间苗ordinary thinning1.■普通疏伐(即下层疏伐)preliminary thinning1.■疏伐, 抚窗伐row thinning1.■隔行疏伐released thinning1.■抚育伐, 透光伐shear thinning1.■剪切变稀; 使界层内剪 力变小strain thinning1.■应变稀化tension thinning1.■拉伸稀化universal thinning1.■普通疏伐web thinning1.■修磨横刃2.■(钻头的)薄钻心