搜索 - 科创

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引用第1楼trample于2010-07-01 15:04发表的 :找合适大小的标本瓶+四氯化碳+热熔胶封口就可以了四氯化碳没有怎么办。。。

引用第10楼nhlijiaming于2010-04-04 14:52发表的 Re:Re:ZVS电路波形 :没接地看到的全是50hz的波形啦电感没测, 没表........用电瓶

samhrc 发表于 2014-3-21 19:24 看精度了。这么大的五金件冲模，便宜的一两万左右，贵的五六万也有。用铣床两百块有人做

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