It is very important to resolve the problems of anti-friction ring failure due to partial worn at Northern Erdos Work Areas by reasonable selection of high-abrasive materials and welding techniques.
选择合理的耐磨材料与敷焊工艺对解决鄂北工区钻杆偏磨耐磨环失效问题非常重要。
The results show that the fracture failure is the insufficient strength caused by pearlite graphitization. Material selection inappropriate is the main reason of pearlite graphitization.
结果表明，弹簧断裂的主要原因为珠光体石墨化导致强度不足，选材不当是发生珠光体石墨化的主要原因。
Conclusion: Treating congestive heart failure by Captopril and Meglumine Cyclic Adenosine is safety and effective, ideal selection in clinical treatment.
结论：卡托普利联合环磷腺苷葡胺治疗慢性心力衰竭是安全、有效、理想的临床治疗方案选择。
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