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