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double open clay drilling bucket
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Product Description: Drilling Rigging Tool is a deep drilling tool designed for rotary drilling. It is made of high quality steel GB-Q345B with ...
2025-07-24 00:22:26
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... of the kelly bar； 2. The main winch wire rope, pipe and power head drive sleeve are located at the same axis； 3. The mast of the drill pipe is ...
2025-07-24 00:22:25
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