In this peper, author presented the state and the necessity of reformationof tranditional linear measuring instrument. And introduced the know how in re formation of theinstrument.

  • 本文针对传统长度计量仪器的改造,叙述了该类仪器的现状及改造的必要性,论述了改造工作中的几项关键技术。
目录 查词历史