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