短語詞組短語reference optical axis 基準光軸reference e axis 基準軸reference work axis 參考工作軸reference axis and angle 參數(shù)軸和角度false reference axis 假參考軸mobile reference axis 移動坐標系軸spin reference axis [機]自轉基準軸positive reference axis 正向基準軸alignment reference axis 釋義準直參考軸 返回 reference axis