词汇	Wad al'Ubayd
释义	Wad al'Ubayd 📍沃德欧拜德丹
随便看	Negative gravitation field negative gravity 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