horizontal oerhead position welding
... Horizontal Jaw Position 水平颌位关系 horizontal oerhead position welding 仰角焊 horizontal supine position 水平仰卧位 ...
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fillet welding in the overhead position
... 立角焊fillet welding in the vertical position 仰角焊fillet welding in the overhead position 坡口焊groove welding ...
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短语
仰焊角焊缝
overhead fillet weld