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钻粒钻头
meaning in English
shot bit
Related Words
鱼尾钻头
切削钻头
钻头座
钻头钢
钻头偏斜
金刚砂钻头
钻石钻头
钻头喷嘴
活钻头
碳素钢钻头
钻粒钻进钻孔
钻粒钻井
钻粒钻头 冲击式钻头 冲击钻
钻粒钻眼法
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