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钻岩钻头
meaning in English
rock 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
钻岩器
钻岩用钻头
钻眼
钻眼班
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