structure improvement design 结构改进设计
The difficult technical problems are solved due to the structure design improvement, local structure and weld position changes.
通过对其结构进行设计改进，改变局部结构及焊缝位置，解决了多年来工艺方面的难题。
This presented the theory for the optimization design and improvement of the control of flow filed parameters and head structure.
这为流场参数的控制和机头结构的优化设计和改进提供了理论依据。
The forming technology of skin-cooling high pressure turbine was analyzed, introduced polyurethane bulging die structure design and the working process and die debugging improvement.
分析了高压涡轮冷却外壳的成形工艺，并介绍了聚氨酯胀形模的结构设计和模具工作过程以及模具调试改进。
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