词汇	豫H
释义	豫H 🚕河南省⇒焦作市车牌号
随便看	negative grid negative grid bias negative-grid bias 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