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。
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。
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