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countersunk是什么意思

countersunk

美['kaʊntərsʌŋk]  英['kaʊntəsʌŋk]
vt.  钻孔
adj.  埋头的

英英释义

名词countersink
  1. a hole (usually in wood) with the top part enlarged so that a screw or bolt will fit into it and lie below the surface
  2. a bit for enlarging the upper part of a hole

例句

  1. Hexalobular socket countersunk head tapping screws. 沉头内六角攻丝螺钉。
  2. CROSS RECESSED COUNTERSUNK HEAD WOOD SCREWS B.S. 英制十字槽沉头木螺钉。
  3. A tool for making a countersink. 做螺丝钉孔的工具
  4. To drive(a screw or bolt) into a countersink. 将钻或螺栓置入埋头孔
  5. Countersunk, Checkered Head, Diamond Point, Polished. 沉头,花格帽,钻石尖,抛光处理。
  6. A common usage is to allow the head of a countersunk bolt or screw, ... 马车螺栓(螺栓教练):有一个圆顶或沉头,而小腿是由简短根据头方节突破。
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