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单词
center punch
释义
center punch
n.
(名词)
A tool with a sharp point used in metalworking to mark centers or center lines on pieces to be drilled.
中心冲:在金属加工中用于标出被钻孔的工件中心线的带锐利尖头的工具
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更新时间:2025/5/28 15:30:50