It's one of the main machines in the modern pipe mill line and formed section line.

它是现代高频直缝焊管生产线和冷弯型钢生产线的主要设备之一。

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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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Came1953room engineer factory planned engineer of secretary of room of vice director of technician of workshop of jilin paper mill workshop factory director plant1967division deputy section chief.

1953年至1967年吉林造纸厂车间技术员、车间副主任、厂长室秘书、厂工程师室工程师、厂计划科副科长。

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Work began last week to allow access into the open section of culvert between Spencer Court and Mill Vale and has now been completed.

BBC: Tyne & Wear