butterfly damper
butterfly damper
[′bəd·ər‚flī ‚dam·pər]butterfly valve
- pendulum saw
- pendulum scale
- pendulum seismograph
- pendulum sextant
- pendulum, simple
- pendulum tuned mass damper
- pendulum watch
- pendulum wheel
- pendzhikent
- pene
- pene-
- peneal
- penecilin
- penecillin
- penecontemporaneous
- penectomies
- penectomy
- pened
- penedectomy
- peneidae
- penelope
- penelopeia
- penelope lively
- penelope odysseus'
- penelope the wise