熟练的焊接技能。
本实用新型 的优点是：增加熔接部位的厚度，增强熔接部位的抗拉强度且降低对焊接技能的 要求。
The utility model has the advantages of increasing the thickness of the heat welding parts, enhancing the tensile strength of the heat welding parts and reducing the welding skill requirements.
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。
The International uniform welder and welding practitioner (IWP) training guideline, examination standards provide the new model for training of welding practical personnel in China.
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