ROLLER KELLY BUSHING
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- 产品描述
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- Commodity name: ROLLER KELLY BUSHING
- Commodity ID: 1457329112316792832
The roller Kelly bushing is one of a necessary equipment of the oil drilling tool. It is installed in the big bushing; its function is to conveying the torque which is delivered by the rotary table to the down hole drilling tool.
The roller Kelly bushing is one of a necessary equipment of the oil drilling tool. It is installed in the big bushing; its function is to conveying the torque which is delivered by the rotary table to the down hole drilling tool.
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