Design standard of automobile body welding procedure affects the product quality and the cost greatly.

轿车四大工艺之一的车身焊接工艺，其设计水平对产品质量和成本有较大影响。

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Design standard of automobile body welding procedure affects the product quality and the cost greatly.

轿车四大工艺之一的车身焊接工艺，其设计水平对产品质量和成本有较大影响。

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