20.250000MHZ 20.250000MHZ 16PF 20.250000MHZ(8.000PF) 20.250000MHZ，49/SM5 20.250000MHZ16PF 20.250000MHZ49/SM5 20.250000MHZ49/U 20.2500M/2-E 20.2500M/3-E 20.2500M/4-E