Use the green bionic sill of environmental protection, have heat conduction of super elevation and hot stability, is suitable for geothermal heating. 使用绿色环保仿生基材，具有超高导热及热稳定性，更适合地热采暖。
A determining method is intreduced to measure leakage and degassing of rubber seals lohich is applied to high vaccum and super high vaccum system. 介绍了高真空和超高真空系统中使用的橡胶密封圈放气和渗漏的测量方法和结果。
