| 释义 |
knocker-off
\ˈ ̷ ̷ ̷ ̷ˈ ̷ ̷\ noun
(plural knockers-off or knocker-offs)
Etymology: knock off + -er
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 |