two-leg双爪;双肢
two-leg shield二柱掩护式
two-leg inverter两桥臂变换器
two-leg slide双腿滑档
two-leg strut双支脚尾轴架
two-leg sling[建] 两索套;双索套
Sling two-leg双肢吊索
a two-leg dog只有两条腿却能直立走路的小狗
two-leg propeller strut双脚螺桨支架