countersink

countersink

['kaʊntəˌsɪŋk]

vt.钻孔装埋，打埋头孔;

n.埋头孔，暗钉眼;

过去式： countersank 过去分词： countersunk 现在分词：countersinking 第三人称单数： countersinks

例句:

1、

Application of Floating Positioning Countersink Drill

定位浮动式锪刀的应用

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2、

Improvement and optimization of titanium alloys countersink drill

钛合金锪钻改进与优化设计

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3、

Drill and countersink the holes to keep wood from splitting.

钻和锪孔,以保持木材的从分裂.

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