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阶梯式钻头
meaning in English
crowned bit
step bit
step-type bit
Related Words
阶梯窑
阶梯误差
产品阶梯
阶梯活动
阶梯钻
堤岸阶梯
机动阶梯
阶梯结构
铝阶梯
阶梯分配
阶梯式自动电梯隧道
阶梯式阻抗变换器
阶梯试块
阶梯试验
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