论文部分内容阅读
中国机械工程学会焊接学会成立四十周年中国焊接协会成立十五周年纪念大会于2002年11月6日在北京举行@高增福
China Mechanical Engineering Society 40th anniversary of the Welding Society of China Welding Society 15th anniversary of the General Assembly held on November 6, 2002 in Beijing @ Zeng Zengfu