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Engineering, 11.07.2019 02:40 liyahbby16
If a portion of well spiral is described as a helix show that the curvature and torsion are constant. also show that the torsion is positive for a right-handed helix and is negative for a left-handed one.
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If a portion of well spiral is described as a helix show that the curvature and torsion are constant...
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