Improved welding procedure that was bsed on structrue characteristic of ertical trussing.Solved problems of low welding efficient, high cost, bad weld face.

　
英 美
  • 根據車(chē)架縱梁的結構特點(diǎn),對焊接工藝進(jìn)行了改進(jìn),解決了焊接效率低,成本高,焊縫成形差的問(wèn)題。
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