drift fishing boat

boat’boat’bob weight

boat boom [= boat spar]

steam boat ratchet =steam boat rachet

acceleration-sensitive drift rate

accidental drift angle

active drift

Active Frequency Drift

aether drift

African drift

air drift

allowable drift

allowable value of drift angle

allowance for drift

alongshore drift

amount of drift

amplifier， drift-corrected

anchorable drift velocity

Angle drift