[經(jīng)] 主軸法 axis, principal: 主軸principal axis: 主軸, 光軸axis of principal strain: 主應(yīng)變軸axis of principal stress: 主應(yīng)力軸central principal axis: 重心慣性主軸; 重心軸性主軸下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯