词汇	xaser
释义	xaser 英'zeizə美'zeizən.X射线激射器
随便看	negative-grid characteristic negative grid characteristics negative-grid characteristics negative grid current negative-grid current negative grid generator negative-grid generator negative grid oscillator negative-grid oscillator negative-grid superhigh frequency tube negative grid super high frequency tube negative-grid super high frequency tube negative grid thyratron negative-grid thyratron negative grid tube negative-grid tube negative grid voltage negative ground negative grounded DC two-wire system negative grounded d.c.two-wire system negativegroup negative group negative grouping negative group velocity negative group veloci.ty