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