单词	part map
释义	part map 局部图
随便看	negative going signal negative-going threshold voltage negative-going transition negative going transition negative goodwill negative good will negative gradient negative grading negative gravitational anomaly negative gravity negative grid negative-grid bias negative grid bias negative grid characteristics negative grid current negative-grid generator negative grid generator negative grid oscillator negative-grid oscillator negative grid super high frequency tube negative grid thyratron negative-grid thyratron negative-grid tube negative grid tube negative grounded DC two-wire system 笚笛笜笝笞笠笡笢笣笤磨洋工磨洗磨游磨滑磨漆画磨灭磨炼磨烦磨牙磨电灯