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