The International uniform welder and welding practitioner (IWP) training guideline, examination standards provide the new model for training of welding practical personnel in China.
国际统一的焊工、焊接技士培训规程和焊工考试标准，为我国焊接技能型人才的培养提供了新的思路和培养模式。
Abstract: the International uniform welder and welding practitioner (IWP) training guideline, examination standards provide the new model for training of welding practical personnel in China.
摘要：国际统一的焊工、焊接技士培训规程和焊工考试标准，为我国焊接技能型人才的培养提供了新的思路和培养模式。
In this article we discussed the possibility of replacement of cobalt alloy by Cr-Ni iron Base alloy in drill bit bearing on the basis of welding test, wearing test and microscopic examination.
本文通过焊接试验、显微分析和磨损试验论述了以铬、镍、铁基合金代替钴、铬、钨合金作石油钻头牙爪堆焊耐磨合金的问题。
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