The gap in the domestic production technology is reviewed through cost comparative analysis and suggestions for improvement are also proposed.
通过成本的对比分析找出国内生产技术的差距，并提出了改进建议。
The gap in the domestic production technology is reviewed through cost comparative analysis and suggestions for improvement are also proposed.
通过成本的对比分析找出国内生产技术的差距，并提出了改进建议。
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