[4]肖玉瑛。油气管道内部焊缝处理机器人的研究[D]。唐山：河北联合大学，2014。

XIAO Yuying. Research on Robot of Weld Treatment in Oil and Gas Pipeline [d]. Tangshan: Hebei United University, 2014.

youdao

[4]肖玉瑛。油气管道内部焊缝处理机器人的研究[D]。唐山：河北联合大学，2014。

XIAO Yuying. Research on Robot of Weld Treatment in Oil and Gas Pipeline [d]. Tangshan: Hebei United University, 2014.

youdao