Although the pressure of hydrostatic extrusion has been known for many years, there has been no appreciable commercial exploitation of it.

  • 摘要虽然静液压挤压技术已有多年的发展历史,但一直以来其于线材工业的应用评价甚少被讨论,以一情形一直延续至今。
目录 查词历史