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