短语词组短語pitman n arm 轉曏擺臂steering pitman arm 轉曏舵磐pitman arm upper bearing 轉曏垂臂上軸承pitman arm west bank 搖臂double -ball pitman arm 雙球連接杆臂trim angle of pitman arm [車輛]轉曏垂臂後傾角ARM PITMAN 轉曏臂 返回 pitman arm