PHPWIND
HELLOCQ
UID:2276
UID:32024
以后可以用塑料“离子镀”铜,做天线振子///
UID:52167
UID:801
化学镀,或者无氰电镀,比较现实!
能镀出需要的电阻值?
UID:29130
UID:32930