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counterbore

n. 埋头孔，扩孔

1、埋头直孔

...哥罗芳；三氯甲烷chloroform埋头直孔counterbore埋头铆钉countersinkheadrivet ...

2、平底扩孔钻

... counterblowhammer对桓 counterbore平底扩孔钻 counterboring锪圆柱沉孔 ...

3、埋头孔

... counterbalance抗衡平衡重 counterboren.埋头孔 counterbore埋头孔 ...

4、台阶孔

... Copying drawing views 拷贝图纸视图 Counterbore 台阶孔 Counterclockwise 逆时针 ...

CBORE Counterbore扩孔;埋头孔

counterbore surface沉头孔表面

liner counterbore缸套镗孔

shaft counterbore轴埋头孔

westbank counterbore埋头直孔

inverted counterbore倒置柱坑钻

head counterbore油缸头部埋头孔

counterbore guidance扩孔钻导柱

solid counterbore实心平底扩孔钻

机械工程

经济学

交通运输工程

n.a bit for enlarging the upper part of a hole

同义词：countersinkcountersink bit

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