roller cone bit
牙轮钻头
返回 19 条匹配短语对
steel tooth roller cone bit
钢齿牙轮钻头
cone type roller bearing rock bit
滚柱轴承锥形牙轮钻头
roller cone drill-bit
牙轮钻头
bit roller
匙形钻头
非达西流
滚筒钻锥
cone roller assembly
锥形滚子总成
Cone Roller Bearing
圆锥滚子轴承
cross roller bit
纵横交替轧片法
four roller bit
牙轮钻头
multiple-roller cone machine
多牙轮钻井机
Reed roller bit
瑞德牙轮钻头
Rock Roller Bit
牙轮钻头
ROLLER BIT
辊链
牙轮钻头
滚子链
滚齿钻头
旋转钻头
roller bit drilling
牙轮钻头钻进
roller-bit hole rig
牙轮钻机
THREE ROLLER BIT
牙轮钻头
two-roller bit
牙轮钻头
bit cone
钻头牙轮
Cone Bit
圆锥碎矿机
锥碎机
牙轮钻头
cone bit design layout
牙轮钻头啮合图
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