... mill-coated pipe 制管厂已涂层的管子 mill-cut casing 铣割套管 mill-cut slot 铣切割缝 ...
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The breaking and milling tool is a special tool used which is used to cut and mill a section of casing in hole so that sidetrack drilling operation can be done smoothly.
断铣工具是用来割断并磨铣井内一段套管以能够进行侧钻作业的专用工具。
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