Investigation on the Structure of Submerged Are Welding Tractor and Development of New Automatic Submerged Arc Welding Tractor

 
  • 埋弧焊车结构探讨及新型自动埋弧焊车的研制
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  • 深远海浮式风电平台 - deep-sea floating wind power platform
  • 京雄高速公路 - Beijing-Xiongan expressway
  • 农业及相关产业增加值 - the added value of agriculture and related industries
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