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单词 rollman
释义 roll·man
\ˈrōlmən\ noun
(plural rollmen)
: one who operates a rolling machine: as
 a. : an operator of a power roll for smoothing sheets of metal
 b. : an operator of a rolling machine for crushing already broken ore in preparation for mineral extraction
 c. : an operator of a machine for cooling melted lard by contact with a refrigerated roll
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更新时间:2024/9/23 11:13:39