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