This paper mainly discusses the current situation and problems of hinged mattress, and puts forward countermeasures for the problems according to the project to be implemented in the near future.

 
  • 摘要主要介绍铰链排的研究现状及存在的问题,并根据近期将实施的工程提出了对策。
今日热词
目录 附录 查词历史