pendulumn.摆锤；钟摆；摇摆不定pendulum agitator摆动式搅拌pendulum conveyer摆式运送机pendulum hardness摆撞硬度,摆测硬度pendulum governor摆调节器pendulum equation摆动方程pendulum absorber摆式减摆器pendulumresistantadj.摆锤式阻尼的pendulum conveyor摆式输送机pendulum movement钟摆运动pendulum rectifier振动式整流器

1. The rocker arm pivots on a shaft through its center.
   摇臂以通过它的中心为轴而旋转。
2. Remove the cotter pin and nut from the drag link at the pitman arm.
   从转向拉杆上拆下转向摇臂处的开口销和螺母。