您要查找的是不是：
- 音频电报测试仪VFtelegraph testing set
- 音频载波电报测试仪voice carrier telegraph testing equipment
- 音频frequency
- 音频电报voice frequency telegraph
- 超音频电报superaudio telegraphy
- 单路音频电报Single channel voice frequency telegraphy
- 测试仪tester
- 消息以电报传来。The news came by telegraph.
- 音频设备audio device
- VF语言VF
- 请用电报传送使用须知。Please message the instruction by cable.
- VF表单VF Form
- 亚音频电报subaudio telegraphy
- LAUC-VFLAUC-VF
- 我一到了那里就打电报。I telegraphed instantly I arrived there.
- 耐压测试仪Hi-pot Tester
- Vf-结温曲线Vf-junction temperature curve
- 音频电报制voice-frequency telegraph system
- 这封电报要求立即回复。The telegram asked for an instant reply.
- VF程序设计Educational reform
