0 someone or something that sweeps something clean -- 清掃工；掃除機，清掃機
1 In football, a sweeper is a player whose position is behind the other defenders (= players whose main aim is to stop points from being scored) . -- （足球）清道夫，自由中衛
The information asked for is as follows: 10 destroyers, 20 sweepers, 6 sloops, 16 drifters, and 28 trawlers.
Many are doing magnificent work with mine sweepers.
There is also the case of lieutenants who are serving on mine sweepers.
No one can have the slightest objection to mine-sweepers being included.
The two mine-sweepers and one survey sloop belong to the latter class.
Why, for example, are non-electrical carpet sweepers sensitive, but electric carpet sweepers, presumably, are not?
Four steam fishing trawlers have been purchased for conversion into mine sweepers.
While employed as mine-sweepers these trawlers will cease entirely to be fishing craft.
