manual telephone system
相关英语词汇推荐
- speech scrambling
- on-air-call-set-up
- immunity level
- cell identity (CI)
- small outline integrated circuit (SOIC)
- digital demultiplexer
- frequency correction burst (FB)
- decode alarm time
- Wireless Telephone Exchanger(WTX)
- telematics (services)
- continuous disturbance
- DTE/DCE interface
- sound quality evaluation
- fungus test
- frame alignment recovery time; reframing time
- early fault period
- hourly rate
- maximum permissible frequency (phase) deviation
- sealing of chip component
- Raining test