Jacket platform was assumed as steel frame structure and multi-objective design method was performed.

把导管架海洋平台看作钢框架结构，并把多目标优化设计方法用于其结构的抗震设计中。

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Middle small type metal plate precision die, dynamo silicon steel progressive die, multi-stations transmission die.

中小型钣金精密模具，电机硅钢片级进模，多工位传递模。

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Multi-purpose angle steel shelves;

万能角钢货架；

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Multi-purpose angle steel shelves;

万能角钢货架；

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