Camber beam, camber beam assembling and welding method, frame and frame welding method
The invention discloses a camber beam, a camber beam assembling and welding method, a frame and a frame assembling and welding method, relates to the technical field of hot metal cars, and solves the technical problem of sidewise bending after the camber beam is assembled and welded in the prior art...
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Format: | Patent |
Sprache: | chi ; eng |
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