audio frequency (AF)
相关英语词汇推荐
- vacuum lock
- maximum permissible pressure
- steam circulating pipe
- Warp Beam
- gravity meter
- pending the issuance of licence
- relay satellite
- leading-out
- pneumatic remote control
- autosynchronous
- Quadrature components
- value control amplifier
- bog
- adjustment of itself
- intermediate-base resin
- oil heater storage tank
- inhibitory action
- hard drawn copper wire
- normal condition
- effective projected radiant surface