短語詞組短語pitman n arm 轉向擺臂steering pitman arm 轉向舵盤pitman arm upper bearing 轉向垂臂上軸承pitman arm west bank 搖臂double -ball pitman arm 雙球連接桿臂trim angle of pitman arm [車輛]轉向垂臂后傾角ARM PITMAN 轉向臂 返回 pitman arm