The section formvariation coefficient which is the judgment of non-uniform deformation degree index of casing is introduced. And the application of the index is examined by the test data.
介绍了衡量套管不均匀变形程度的指标一截面形状变化指数,并用试验数据对该指标的应用进行了检验。
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Eyes and feet have been optimized to function on our planet, so perhaps some variation will be found attached to a life form thriving on a distant world.