butterfly damper
butterfly damper
[′bəd·ər‚flī ‚dam·pər]butterfly valve
- operator training simulator
- operator training system
- operator trunk dialing
- operator user interface
- operator utilization
- operator working group
- operatory
- operatta
- opera vacation ownership system
- opera volunteers international
- opera web mail
- opera winfrey
- operazione mato grosso
- operb
- operc
- opercle
- opercula
- opercular
- opercular fold
- opercularly
- opercular part
- operculate
- operculated
- operculatedly
- operculately