The training includes various forms ofwelding, cutting, metallurgy, and safety.
培训内容包括各种形式的焊接、切割、冶金学以及安全教育。
2
The characteristics of titanium welding were summarized, and the advances in titanium alloy weldingmetallurgy were reviewed in this paper. The future developments of this field were also presented.
概括介绍了钛合金焊接的主要特点，综述了钛合金焊接冶金方面的研究进展，并阐述了该领域的研究前景。
3
The invention is mainly applied to the austenitic stainless steel welding in the fields of petroleum, chemical industry, metallurgy, machinery and naval construction.