valley波谷: trough of wave; trough; vall ...凹部: dent; valley; recess凹部: dent; valley; [地质学] recess◇凹部电流 valley current; 凹部电压 valley voltage波谷: [物理学] trough of wave; trough; valley波谷线: hollow line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:波谷凹部，即可在微信中查询翻译
