摘要
介绍了设计原则、实现途径和极限真空估算。概述了设备特点和测试结果，并与国内外情况进行了比较。
The design principle,the way to carry out and estimation of limited vacuum were introduced.The properties of the apparatus and measure results were described and compare with the situation of domestic and abroad ones.
出处
《真空与低温》
1998年第4期197-203,共7页
Vacuum and Cryogenics
