1. 放电：electric dipole moment 电偶极 | electric discharge 放电 | electric field 电场
2. 放电=>放電：electric disc sander ==> 电动打磨砂盘 | electric discharge ==> 放电=>放電 | electric discharge atomic vapor laser ==> 放电原子蒸汽激光器
3. 电火花：139.double action双动 | 140.electric discharge 电火花 | 141.feed rate进给速度
noun
1. electrical conduction through a gas in an applied electric field
Synonym: discharge spark arc electric arc