diffused-junction rectifier英 [dɪˈfjuːzd ˈdʒʌŋkʃn ˈrɛktɪfaɪə]美 [dɪˈfjuːzd ˈdʒʌŋkʃn ˈrɛktəˌfaɪər]网络 扩散结型整流器电力