?磁鼻

... magnetic crane 电磁吸盘式起重机 magnetic crotchet 磁鼻 magnetic damper 磁性阻尼器 ...

?地磁突破

... 磁航向，磁航线 magnetic course 地磁突破 magnetic crotchet 磁日变 magnetic daily variation ...

?磁扰

magnetic crotchet 磁鼻; 磁扰...

?地磁突变

... 磁耦合 magnetic coupling 地磁突变 magnetic crotchet 磁偏角 magnetic declination ...