单词 | plugman |
释义 | plugmannoun plug·man ˈpləgmən plural plugmen 1 : the member of a gun crew (as in the U.S. 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 |
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