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阶梯钻
meaning in English
ste ed drill
stedrill
stepped drill
Related Words
阶梯窑
阶梯误差
产品阶梯
阶梯活动
堤岸阶梯
机动阶梯
阶梯结构
铝阶梯
阶梯分配
阶梯迭代
阶梯状钻头
阶梯琢磨
阶梯钻头
阶梯坐台
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