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Xiangyang Nangang
释义
Xiangyang Nangang
Encyclopedia
历史学
﹝北方地区﹞
释
Xiangyang Nangang
向阳南岗遗址
中国嫩江流域新石器时代、青铜时代和铁器时代遗址。
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Welch window
weld
weldability
weldability of metal
weld bonding
weld defect
weld defects of oil and gas pipeline manufacturing
welded hollow spherical joint
welded joint
welded structure
welded tube and pipe process
welded tube/pipe
welder
welder’s pneumoconiosis
weld heat affected zone
welding
welding assembly chemicals
welding automation
welding-brazing
welding consumables
welding database
welding deformation
welding effect
welding electrode
welding engineer
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