[ 复数 counterbores 第三人称单数 counterbores 现在分词 counterboring 过去式 counterbored 过去分词 counterbored ]
counterbore drill [机] 平底扩孔钻
CBORE Counterbore 扩孔 ; 埋头孔
radial adjustable counterbore 径向可调平底镗钻
counterbore depth 沉头孔深度
counterbore surface 沉头孔表面
counterbore guide 扩孔钻导柱
tube counterbore 管沉头孔
liner counterbore 缸套镗孔
Our products including End Mills, Machine Taps, Reamers, Center drills, Counterbore, Countersinks, Core drills, HSS tool bits and milling cutters.
公司产品包括：直柄、锥柄铣刀、丝锥、中心钻、倒角刀、扩孔钻、铰刀、锥钻、直钻及各类高速钢刀具。
This paper discussed a method of counterbore machining by using though-hole orientation to improve the efficiency of lower exact counterbore volume-produce and reduce the cost of corporation.
利用沉头孔通孔二次定位加工沉头孔盲孔的方法，可提高批量较大、精度要求较低的沉头孔加工效率，节约企业的加工成本。
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