It is used to determine the orientation of a vertical fracture from interference test.
利用此模型可在干扰试井中确定垂直裂缝的方位。
Objective To evaluate the clinical effect of preserving the lower first molar with complete vertical fracture.
目的评价保存治疗纵折下颌第一磨牙的临床疗效。
Vertical fracture height from hydraulic fracturing is very important for calculating fracture length and width.
水力压裂所形成的垂直裂缝高度，对于计算缝长和缝宽有重要作用。
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