basal medium Eagle Eagle

automatic emergency shut-down and slow-down circuit

COOL DOWN; COOLING DOWN

down sprue (down-gate)

down-comer (down take)

down-converter(down-convertor)

down-gate (down sprue)

down-supply and down-return

look-down shoot-down

printed down-proof cotton cloth duck down quilt

run down [= running down]

110kV direct step-down rectifying equipment

2-up-down device

3-2 Pull-Down detection

a bed of down

a cap with inner tube and down-flow

a centipede dies but never falls down

Ability breaking down table

accelerated break-down test