spiral-spring actuated door hinge, torsion-spring actuated door hinge
【物理】螺旋弹簧平衡
spiral-spring balance
暂无补充释义。
相关词条
spiral-spring actuated door hinge
spiral-spring balance
暂无补充释义。
spiral-spring actuated door hinge, torsion-spring actuated door hinge
spiral-spring actuated door hinge