Besides, it also briefly refers to the development trends of international welding training system and guidelines in the future.
另外还简要介绍了国际焊接培训体系和培训规程今后的发展趋势。
Besides, it also briefly refers to the development trends of international welding training system and guidelines in the future.
另外还简要介绍了国际焊接培训体系和培训规程今后的发展趋势。
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