| 释义 |
plug·man
\ˈpləgmən\ noun
(plural plugmen)
1. : the member of a gun crew (as in the United States Navy) whose duty is to open and close the breech plug or breechblock in firing
2. : a miner who attends pumps in a mine
3. : a plugger who fastens stoppers in bottoms of billet molds in which copper is to be cast |