单词	rollerman
释义	rollerman noun roll·​er·​man ˈrōlə(r)mən plural rollermen : one who tends a rolling machine or performs a rolling action: such as a : braker b : jackman c : a calender man who makes imitation leather d : a mine worker who keeps in repair the pulleys over which haulageway cables pass e : an auto worker who runs the motors of finished cars to check their performance, to detect unusual noises, to test parts subject to vibration, and to check the operation of gauges f : leverman Word History First Known Use 1829, in the meaning defined above
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