barrier potential difference阻: block; hinder; impede; obstr ...层: I storey; tier; stratum电势差: potential difference; differ ...电位差: PD阻档层电势差: barrier potential difference下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:阻档层电势差,阻档层电位差,即可在微信中查询翻译