counter bore

英美

释义
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- 埋头孔,沉孔
英英释义
名词 counterbore:

a bit for enlarging the upper part of a hole
临近单词

counterego counter counter-intelligence theory Counter Revolutionary Warfare countering unfair competition counter-terrorism exercises counter fort leaking stoppage countercurrent chromatography counterproliferation official countermeasures for treatment countershaft fifth speed gear countermeasures for detection

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