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

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