活化过电位overpotential: 超电势; 超电位; 超电压; 过电势; 过电位; 过电压concentration overpotential: 浓差过电位critical overpotential: 临界过电位diffusion overpotential: 扩散超电势electrochemical overpotential: 电化学超电势下载手机词典可随时随地查词查翻译