【化】 双溶剂萃取; 双溶剂抽提

Double blade sword,A Double-edged Sword,A Two-Edged Sword,Two-sided Sword

double-strength

anti-dsDNA antibody, anti-double-stranded DNA antibody

double dissociation

double-chamber vacuum packing machine

double screw-teeth bit【木】

diplopia ; double vision

double mirror