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The method implemented by a computer to estimate mechanical properties and tension of material surrounding a hole of shaft, method implemented by computer to model the stresses and mechanical properties of rocks surrounding a hole of the shaft, and method implemented by computer for certain The air tension and properties of material surrounding a hole of the well.
The method implemented by a computer to estimate mechanical properties and tension of material surrounding a hole of shaft, method implemented by computer to model the stresses and mechanical properties of rocks surrounding a hole of the shaft, and method implemented by computer for certain The air tension and properties of material surrounding a hole of the well.