【电】 磁罗盘

首先,“魔鬼三角”是地球上指南针指向真北极的二个地方之一。

自动驾驶仪操舵和用磁罗经代替自动驾驶仪，通过合格的校准器来测定罗经的正确功能并提供罗经校正卡。

root of thread, soft-magnetic

printing of data of a record carrier, magnetic tape in the shape of characters

rotor with laminated core cooling in magnetic circuit, machine,

magnetic oxide

magnetic resonance angiogram

crossed electric-magnetic fields mass spectrometer

magnetic detector

steam oil magnetic valve