基本解釋搖桿；游戲桿詞組短語短語rocking g lever 搖桿rocking lever shaft 游戲桿軸exhaust valve rocking lever 排氣閥搖臂桿double rocking lever 雙搖桿steering clutch release rocking lever 轉向離合器開關搖臂桿rocking lever更多詞組專業(yè)釋義經濟學搖桿