To replace the relief valve disc, hold the upper guidefin and unscrew the diaphragm pressure plate.
要更换安全阀阀瓣，握住上部引导翼，旋下隔膜压力板上的螺丝。
2
The input and output use the standard rectangle wave-guide, the transition between rectangle wave-guide and fin-line is continuous gradual change line, and it has good capability of matching.
开关的输入、输出使用标准矩形波导，鳍线和矩形波导之间采用连续渐变线进行过渡，匹配性能良好。
3
Frosting fin on the design of a theoretical guide. and it can be extended to other heat transfer problems of fin.