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文章介绍了斗杆、齿条焊修的程序、步骤和注意事项。
This paper deals with the procedures, steps and precautions for repair welding of the bucket rod and the rack.
youdao
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文章介绍了斗杆、齿条焊修的程序、步骤和注意事项。
This paper deals with the procedures, steps and precautions for repair welding of the bucket rod and the rack.
youdao