词汇	safety tube
释义	safety tube 安全管
随便看	flux density scale flux density spectrum flux density threshold flux-density threshold flux density unit flux density units flux density vector flux-density vector flux density waveforms fluxdepression flux depression flux-depression flux-depression correction flux depression factor flux depressor flux detector flux difference splitting flux-difference splitting flux-difference splitting scheme flux differential relay flux dip flux dip fill up flux dip fill-up flux dipping flux distortion