短語詞組短語torsion n balance 扭力天平torsion spring balance system 扭簧平衡系統(tǒng)torsion denier balance 旦尼爾扭力天平torsion spring balance 扭力彈簧秤torsion bar balance mechanism 扭桿平衡機構(gòu)cavendish torsion balance 卡文迪什扭秤compensated torsion balance 補償型扭稱torque balance torsion balance 扭力天平micro -torsion balance 微量扭力天平 返回 torsion balance