平行軸線定理 theorem of parallel axes: 平行軸定理parallel axes: 平行軸theorem of principal axes: 軸定理gear drive with parallel axes: 平行軸齒輪傳動(dòng)gear pair with parallel axes: 平行軸齒輪副下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯