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Another name for geological drill pipe?
Release time:
2018-02-26
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Source:
Answer: Geological drill pipe is also called: imitation British drill pipe, round drill pipe, outer flat drill pipe, smooth drill pipe, geological alloy drill pipe, coal mine tunnel regular drill pipe, exploration drill pipe, down-the-hole drill pipe.
Answer: Geological drill pipe is also called: imitation British drill pipe, round drill pipe, outer flat drill pipe, smooth drill pipe, geological alloy drill pipe, coal mine tunnel regular drill pipe, exploration drill pipe, down-the-hole drill pipe.
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