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