在低温，腐蚀性介质或真空条件下，应考虑具有特殊性能的密封垫。
In the low temperature, corrosive medium or vacuum conditions, with special performance should be considered the gasket.
适用于抽除空气及其它无可凝性及无腐蚀性的气体，广泛应用于需要大抽速和高真空的各种真这系统中。
In addition to pumping air and no condensate and other non-corrosive gases, widely used in pumping speed and the need for high vacuum of truth in this system.
通过电化学测试方法研究了脉冲真空渗氮防腐层及裸样的抗腐蚀性能。
The corrosive behavior of Pulse Vacuum Nitriding coating and plain sample were investigated by an apparatus of electrochemical measurement.
应用推荐