speeder shaft torque arm 增速器轴扭力臂

terminal shaft torque arm 终端轴扭力臂

terminal shaft torque arm tool 终端轴扭力臂工具

terminal shaft torque arm handle 终端轴扭力臂手柄

governor torque arm 调速器扭力臂

governor torque arm tool 调速器扭力臂工具

reverse torque arm 反扭矩杆

anti-torque arm 防扭臂

reaction torque arm 反扭矩杆