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单词 countersink
释义 coun·ter·sink AHD[kounʹtər-sĭngk'] D.J.[ˈkaʊntəˌsɪŋk]K.K.[ˈkaʊntɚˌsɪŋk]n.(名词)abbr. csk.【缩写】single-flute countersink bitClarinda/Academy Artworks
    1. A hole with the top part enlarged so that the head of a screw or bolt will lie flush with or below the surface.埋头孔:顶部扩大的孔,为使钻或螺栓的头与地面相平或在地面以下
    1. A tool for making such a hole.埋关钻:制造这种孔的工具
v.tr.(及物动词)coun.ter.sunk[-sŭngk'] coun.ter.sink.ing, coun.ter.sinks
    1. To make a countersink on or in.在…上或…内造埋头孔
    1. To drive (a screw or bolt) into a countersink.将钻或螺栓置入埋头孔
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更新时间:2025/1/6 20:24:25