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