area cover - axial elongation
- at the bottom hole
- at the bottomhole
- at the front
- at the latest cost
- at the location
- at the proper time
- at the rate of ... percent per annum
- at the rate of ___ percent per annum
- at the request and for the account of a customer
- at the stroke of a pen
- at this rate
- at work
- at wt
- at-a-price reserves
- AT-class
- at-rest
- at-rest pressure
- AT-style
- at-weld breaking
- ataxic
