PHPWIND
HELLOCQ
UID:412221
UID:2384
UID:291213
UID:48261
UID:428816
BH1MNM:做的真好啊 ,弱弱问一句,腐蚀电路板的废液直接下水道还是得倒外边啊,想做电路板,生怕把管道弄坏了[表情] (2017-11-22 08:12)
bh1xxp:从来不倒,自己配的三氯化铁都用了10多年了,不好使了就再加三氯化铁和盐酸如果需要处理废液,倒些石灰进去,然后倒掉或者埋了就行 (2017-11-22 20:22)
UID:425296
UID:366750
UID:86
UID:36714
UID:13
BA4TB:现在有多波段的了,Arduino开源的。 (2017-12-14 20:32)
UID:422422
UID:303535
UID:12726
UID:393433
UID:36452
UID:5471
UID:401934
UID:431807