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内阶梯式压缩环
meaning in English
internally stepped compression ring
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
内接照射
内接正多边形
内截面测度
内节
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