The secondary cracks may be more popular for the case of the small inclination angles.
小倾角结构面更容易产生次生裂纹的剪切破坏方式;
Objective : To explore the clinical manifestation of excessive pelvic inclination and mechanism of its correction.
目的: 探讨骨盆倾斜度过大产妇产时的临床表现和纠正机制.
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