spiral-spring actuated door hinge
【建筑】螺旋弹簧作动门铰链，扭力弹簧作动门铰链
spiral-spring actuated door hinge, torsion-spring actuated door hinge
暂无补充释义。
相关词条
spiral-spring balance
spiral-spring actuated door hinge, torsion-spring actuated door hinge
暂无补充释义。
spiral-spring actuated door hinge
spiral-spring balance