短语词组短語axle drive pinion shaft 車軸主動小齒輪軸drive pinion and shaft 主動小齒輪及軸drive pinion shaft assembly 主動小齒輪軸縂成drive pinion shaft 主動小齒輪軸swing drive output pinion shaft 轉磐敺動裝置輸出小齒輪軸 返回 pinion drive shaft