forward impedance正向: forward direction阻抗: impedance二极管正向阻抗: diode forward impedance正向阻断: forward blocking /conducting单向阻抗: unilateral impedance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:正向阻抗,即可在微信中查询翻译