话频电流的英文

• voice frequency current

• 话频    voice frequency
• 电流    electric current
• 话频电流继电器    voice frequency relay
• 话频电路    voice frequency circuit
• 调幅话频电话    amplitude modulation vtf
• 话频电路测试器    voice-frequency circuit-test unit
• 语音加话频电报    speech plus voice frequency telegraph
• 边频电流    side frequency current; side-frequency current
• 超高频电流    ultrahigh-frequency current
• 导频电流    pilot current; pilotcurrent
• 低频电流    lfc; low frequency current
• 高频电流    high-frequency current◇高频电流表 high-frequency ammeter
• 高频电流表    high frequency ammeter; high frequency amperemeter
• 工频电流    power current
• 零频电流    zero frequency current; zero-frequency current
• 射频电流    radio frequency current; rf current
• 射频电流计    radio frequency ammeter
• 声频电流    audio-frequency current◇声频电流波形分析器 sonagraph
• 视频电流    light current; video current
• 音频电流    tone currents
• 中频电流表    medium frequency ammeter
• 四线制话频电话中继器    four wire voice frequency telephone repeater; four-wire voice frequency telephone repeater
• 话频    voice frequency (vf)
• 高频电流淬火    hardening by high frequency curr-ent
• 高频电流加热    diathermic heating; dielectric heating