drill fluting cutter的意思|示意
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钻头槽铣刀
drill fluting cutter的网络常见释义
钻头槽铣刀 ... interning drill pipe cutter 你看机械打井钻杆内割刀 drill fluting cutter 钻头槽铣刀 externing drill pipe cutter 钻杆外割刀 ...