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单词 knocker-off
释义

knocker-off

noun

plural knockers-off or knocker-offs
1
: a worker who knocks temporary hoops from barrels by hand or by machine after heads and permanent hoops have been placed
2
: a worker who uses a chisel to break apart castings and remove sprues from molded and cast articles

Word History

Etymology

knock off + -er

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更新时间:2024/12/23 10:37:00