treatment of concrete surface defect 混凝土表层破坏处理
treatment of geologic defect 地质缺陷处理
Results The masticatory efficiency of the primary molar defect group after treatment was significantly higher than that of the group before treatment(P<0.001).
结果①乳磨牙缺损组治疗后咀嚼效能与治疗前差异有显著性（P<0.001），前者大于后者；
This paper reports the microsurgery using free forearm flap in the treatment of large postoperative scalp defect from scalp cancer in one patient.
本文报道应用显微外科技术，对一例头皮癌根治术后头皮大片缺损者，采用游离前臂皮瓣移植术，结果满意。
Crack in neck of hollow shaft is a very serious malfunction, main cause of the crack include: foundry defect, centralized stress, quality problems of welding and heat treatment.
中空轴轴颈裂纹是水泥磨的严重故障。中空轴轴颈裂纹产生的原因主要有：铸造缺陷，应力集中，焊接和热处理质量问题等。
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