Xr220a rotary drilling machine drilling 2 meters hole can reach 80 meters, its maximum drilling depth is 80 meters, the maximum aperture is 2 meters.

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What's the difference between the main oil pump imported from the rotary drilling rig and the home made main pump?

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What's the market for small rotary drilling rigs? Do house foundations pile well?

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What kind of geology is a rotary drill suitable for?

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How much does a rotary rig for Sany cost? A?

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What is the minimum drilling diameter of the Sany SR150C rotary drilling rig?

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Construction scheme of rotary pile driver

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What is the minimum diameter of a bored pile?

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Rotary drilling rig when piling, the drill bit off the hole in the pile, how to fish ah?

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Attention problems of rotary drilling rig

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Why not use rotary drilling rig instead of manual digging pile?

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Why is the rotary drilling rig put into the steel cage before pouring?

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Rexroth leveling sensor rotarydrilling rig

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When the rotary drilling rig is working, how does the rotated soil enter into the slag bucket?

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What are the polymer slurries used for rotary drilling machines?

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Can the rotary drilling rig of fine round gravel soil move?

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There are several brands of rotarydiggingmachine

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31 What about the performance of the auger rig?

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What are the components of rotary drilling rig Jixietaiban? How to calculate?

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On the cleaning of rotary drilling rig

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For different geological conditions, how to choose rotary drilling, rotary drilling, impact drilling?

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How much do you charge for a day rig?

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Kim Taixuan drilling operations and other brands of rotary drilling operation do.

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How many types of rotary drilling rigs should be used for entering ten meters of weathered sandstone in the rock?

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What brand of rotary drilling rig is efficient?

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What kind of rotary drill rig is it?

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What is the lifting force of the main hoist of a rotary drilling rig?

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How a rotary drilling rig

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My rotary drilling rig has broken several rotary drilling pipes. Is it my drill pipe or the reason of my rig?

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What is the essential difference between rotary drilling rig and rotary drilling rig?

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