英语词汇counter bore怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	counter bore
释义	counter bore 简明释义沉头孔：一种用于在工件上钻孔的工具，其底部有一个较大的直径，用于容纳螺钉头或螺母。网络释义短语 1 counter bore 埋头柱孔 ; 平衡重 ; 沉孔 2 seal counter bore 密封埋头孔 3 upside-down counter-bore 倒置柱坑钻双语例句 1 Machining the spark plug hole and counter bore at a compound Angle. 加工火花塞孔与反孔的复合角度。 2 Using once counter bore grinding technology can overcome these weakness, and its accuracy is able to achieve technical request of finished product and satisfy productive needs. 一次锁口磨削工艺过程能够克服上述缺点，而且它在各项精度方面都能达到成品零件的技术要求，满足生产需要。
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