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Question:

Rotary drilling rig application

Rotary drilling rig application

Answer:

The purpose of rotary drilling rig is cast-in-place bored pile drilling (Cheng Kong).

The main purpose of rotary drilling rig is to:Bored pile foundation engineering rotary drilling.

Long spiral applies to high-speed rail construction, civil construction, rotary excavation in relatively large diameter foundation construction, such as bridge foundation construction is more common.
Rotary drilling rig when piling, the drill bit off the hole in the pile, how to fish ah?
The principle diagram of operating system rotarydiggingmachine
What brand of rotary drilling rig is efficient?
How heavy is the 250 auger rig?

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