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顿钻管下扩眼器
meaning in Chinese
cable tool underreamer
Related Words
扩程
扩映射
辗扩
扩容
扩口
扩边
烟扩
扩招
扩引
扩声
顿钻钢丝绳夹
顿钻给进螺杆
顿钻机
顿钻接头
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