- vt.
(-sunk ) 打孔装埋(螺钉头)，打埋头孔。n.
埋头钻；埋头孔，暗钉眼。
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countersink中文什么意思
例句与用法
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- Cross recessed countersunk head wood screws . symbol fz
十字槽沉头木螺钉.符号fz - 90 countersinks with pilots - technical requirements
带导柱90锥面锪钻技术条件 - Aerospace ; rivets , countersunk 100 , nickel alloys
航空航天.镍合金制100度沉头铆钉 - 120 degrees countersunk head rivets in aluminium alloys
铝合金制120埋头铆钉 - Slotted raised countersunk head screws with full dog point
带全蜗杆槽头半沉头螺钉
英文释义
名词- a bit for enlarging the upper part of a hole
同义词：counterbore, countersink bit - 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
- insert (a nail or screw below the surface, as into a countersink)
同义词：set
百科释义
A countersink is a conical hole cut into a manufactured object, or the cutter used to cut such a hole. A common usage is to allow the head of a countersunk bolt or screw, when placed in the hole, to sit flush with or below the surface of the surrounding material.
详细百科解释