This research is significant and valuable to the study of underwater welding arc physics.

本研究工作对水下焊接电弧物理及焊接冶金的研究有参考价值。

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Application and Research of Auto-welding Technology in Process of Automobile Body Manufacture;

汽车车身是复杂的空间自由曲面，是汽车设计与制造中的“瓶颈”。

youdao

Application and Research of Auto-welding Technology in Process of Automobile Body Manufacture;

汽车车身是复杂的空间自由曲面，是汽车设计与制造中的“瓶颈”。

youdao