基本解释磁偏計；磁偏針词组短语短語declination U compass 磁偏計declination of compass 磁偏角declination E compass 磁偏計compass declination 磁偏角;羅經磁偏;磁偏羅磐;詳細繙譯declination compass更多词组专业释义經濟學磁偏計機械工程磁偏羅磐