flat position of welding 平焊位置
flat position welding 平焊
welding in flat position 平焊
flat welding position 平焊
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NC machine is used to ensure that longitudinal and circular weldings are produced at a constant speed and the welding point is always in flat position.
数控主机用于保证箱底纵、环焊缝焊速恒定并使焊接点始终处于平焊位置。
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