double-fine structure 双重线精细结构

double fine rule 双细线

Double Fine Zone 唱片名

Double Fine Adventure 断裂的世界

Double Fine Happy Action Theater 快乐动作剧场

Double-edged Fine-toothed Comb 栉

Double side fine grinding machine 双面精磨机

double-side horizontal fine boring machine [机] 双面卧式精镗床