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英汉双解词典查询
| 单词 | countersink |
| 释义 | countersink v (pt -sank /-sNk; -9sANk/, pp -sunk ) [Tn usu passive通常用於被动语态 ] 1 enlarge the top of (a hole) so that the head of a screw or bolt fits into it level with or below the surrounding surface 钻埋头孔. 2 insert (a screw or bolt) into such an enlarged hole 将（螺钉或螺栓）旋入埋头孔中. |
本英汉双解词典包含38652条英汉词条，是英语学习有利工具。
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