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扩孔锥
meaning in English
frailty
opening bit
reamer
rose bit
Related Words
辗扩
扩口
扩引
扩声
扩孔工具
扩口系数
压扩增益
扩眼钻头
向上扩眼
扩房群
扩孔镶套法
扩孔凿
扩孔钻
扩孔钻导柱
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