PHPWIND
HELLOCQ
UID:9084
UID:8890
UID:12470
是的,四波段是4个9mhz的晶体组成。
UID:3505
UID:19463
UID:10157
UID:6639
算我一个吧!有45m的晶体滤波器吗?我很想要一只做一个三次变频机
UID:8122