At last, the development trends of preform design methods are put forward.
最后指出了预成形设计的发展趋势。
Finally the development trends of polyurethane elastomer for offshore oil pipe were put forward.
最后对海洋石油管道用聚氨酯弹性体的发展趋势做了展望。
Finally the development trends of polyurethane elastomer for offshore oil pipe were put forward.
最后对海洋石油管道用聚氨酯弹性体的发展趋势做了展望。
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