基本解釋磁偏計；磁偏針詞組短語短語declination U compass 磁偏計declination of compass 磁偏角declination E compass 磁偏計compass declination 磁偏角;羅經(jīng)磁偏;磁偏羅盤;詳細翻譯declination compass更多詞組專業(yè)釋義經(jīng)濟學磁偏計機械工程磁偏羅盤