舵枢螺栓 gudgeon bolt

枢轴螺栓 pivot bolt ; trunnion bolt

电枢螺栓 armature stud

枢轴盖螺栓 trunnion cap bolt

车桥枢轴螺栓 axle pivot bolt

托架枢轴螺栓 bracket pivot bolt

枢轴安装螺栓 trunnion mounting bolt