-
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。
youdao
-
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。
youdao