分析全钢载重子午线轮胎胎冠、胎侧、胎肩和胎圈部位外观明疤的产生原因，并提出解决措施。
The causes for the appearance defects on crown, shoulder and bead areas of BTR tire were analyzed and their countermeasures were proposed.
材料与方法 回顾性分析21例肩关节MR造影证实的肩袖全层撕裂的MR图像。
Materials and Methods MRI findings in 21 cases with complete rotator cuff tears, proved with MR arthrography, were retrospectively analyzed.
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