Recently it has been a very active research subject to develop capsuling self-repairing smart com- posits.
胶囊型自修复智能复合材料的研制近年来已成为非常活跃的研究课题。
machinery for- capsuling bottles, jars, tubes and similar containers;
瓶、大口瓶、管及类似容器之封盖机器;
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