The compatibilityofdeformation may occur on tube thread according to dimension of collar thread, which is helpful in improving the connection quality.
油管螺纹与接箍螺纹联接后会发生变形协调，有利于提高螺纹联接质量。
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No matter how complex the edge conditions are, it is not difficult to set up the equations ofcompatibilityofdeformation, therefore the internal forces of oblique …